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GM Authority

2023 Corvette Loses Trunk Key Lock Cylinder

The 2023 Corvette will not feature a rear trunk key lock cylinder, GM Authority has learned.

On the 2020 to 2022 model-year Corvette, there were two physical key lock cylinders that owners could use to access the cabin of the vehicle or the trunk if the keyfob stopped working, or the power release doors/trunk stopped working. The cabin access lock cylinder was located on the driver-side door, while the trunk lock cylinder was located on the rear of the vehicle behind the license plate.

For the 2023 model year, the Corvette has ditched the rear trunk key lock cylinder and will only have a physical lock on the driver’s side door. This means that if the rear trunk hatch becomes seized, a hole will have to be drilled in the back of the vehicle to open it. According to a GM document, a body shop will have to drill a three-inch hole in the rear of the car, which will allow the technician to lift the rear panel up and access the fasteners that hold the trunk latch to the vehicle. GM of course suggests trying the interior trunk release switch, exterior touch pad trunk release and keyfob trunk release before resorting to cutting into the vehicle to access the seized trunk.

Production of the 2023 Corvette Stingray is underway now at the GM Bowling Green plant in Kentucky. As GM Authority covered prior, production officially began on May 23rd, 2022, after being pushed back from the previously scheduled start date of May 16th. Order books for the 2023 Corvette Stingray opened on April 7th. The start of production for the 2023 Corvette Stingray 70th Anniversary Edition is currently set for mid-summer, while the start of production for the 2023 Corvette Z06 is still yet to be determined.

As a reminder, the C8 Corvette rides on the Y2 platform, with the C8 Corvette Stingray featuring the naturally aspirated 6.2L V8 LT2 gasoline engine, rated at 490 horsepower and 465 pound-feet of torque. The new-for-2023 C8 Corvette Z06 boasts the new naturally aspirated 5.5L V8 LT6 engine, rated at 670 horsepower and 460 pound-feet of torque. Both of these eight-cylinder engines connect to a Tremec-designed and GM-built eight-speed dual-clutch automatic transmission.

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Sam loves to write and has a passion for auto racing, karting and performance driving of all types.

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Comments

  1. Now how much does a trunk lock cylinder cost GM on an $80,000 car? And how loud will be a C8 owner when they can’t get their damn trunk opened…especially if the roof panel is inside?

    Come on, GM, you can do better.

    Reply
    1. I had less than 275 miles on my new C8 and I experience a lock out of my truck. It took two weeks for the dealer to see it and a day to determine the problem which was the need for a new locking mechanism. I live in Florida where Randonm unforecasted rain can come at any time. You can imagine my anxiety not being able to drive the car for two weeks while the tops were unacceptable in the truck. Had they not remove the accessibility to the trunk under the rear license plate bracket, a 10 minute correction would’ve save me two weeks of waiting!
      P.S. interestingly neither the service department manager, nor the sales men were aware that the accessibility is no longer available for unlocking the rear trunk. When I called the salesman he insisted on a newly arrived C8 on the floor he could see the location to insert the key. I told him, take a better look, and he’ll find that there is no entry point for the key to engage the locking mechanism as GMC still continued to provide the knockout, but no entry point.

      Reply
  2. Wow, this is beyond stupid! Why?

    Reply
  3. Yes, please drill a 3” hole in my $80k car because GM decided to eliminate a $10 lock! How did that pass the dumb@SS test?!

    Reply
    1. The presumption is that if this happens, GM will cover it, but even then, I don’t want a “fixed” car

      Reply
      1. I suspect that it’s very unlikely that GM will even talk to you about it – much less cover the cost.

        Reply
      2. Happened to me
        They found a work around and did not have to drill the decklid

        Reply
        1. How?

          Reply
  4. One of the dumbest things GM has ever done.

    Reply
  5. The C7 had the access keyhole, so that when opening the rear, you could pull a cable to operate the door (I think, C7 owners correct me).
    On the C8, there is no jack, battery, in the back. No urgent need to get in there.
    The drivers door of a C8 has the keyhole to get into interior, from the interior you can cable release the frunk (drivers footwell), in the frunk is the battery. I am thinking the presumption is that if you can get to the battery, you can activate
    the release for the rear.
    One post here mentions being able to get your roof panel out so you can seal up car, and that is a legitimate reason for this:
    I am thinking a manual cable release from the cabin (behind the seats) around the rear, that would match the logic of the frunk release, allow opening manually from the cabin. In other words, go ahead and take away the key operated rear, no need for it, if the manual cable goes a few feet from rear to drivers side behind seat.

    I have had my back bumper off twice, and looking at the pictures of the missing rear manual release, I am curious
    if the idea is to open the hole where the key used to go, then use a special tool to release.
    The language we are reading says cut a hole in the hood, access the fasteners for the latch, but just how it is built.
    It would be easier to release the latch through the hole you make behind the plate.

    Ever had to release your front hooded , front engine, car when the cable broke ? I have, you just need to get to the latch and release it.

    Reply
  6. Stupid, stupid, STUPID !

    Reply
  7. Instead of routing a manual cable release, just leave the key lock where it is and quit creating problems for owners.

    Reply
  8. OMG! The sky is falling! You already have a couple of viable options of getting your rear deck open. Curious to see how many cases of rear deck opening failure have occurred. As is typical, these hand-ringers are ring-side C8 wannabee’s.

    Reply
    1. All of the “viable options” you’re referencing are electric. If the lock/latch electrical solenoid fails – battery power or not – all options are rendered inoperable.

      Reply
    2. What are those 2 options to get the rear deck open if seized?

      Reply
    3. I am taking my 2023 in for this issue

      Reply
    4. I just got my C8 2LT Coupe a week and a half ago and it now has only 179 miles on the OD. I removed panel placed it correctly in the trunk as dstailed in the user manual. When attempting to open the trunk ( to put the panel back on) nothing electrical would allow me to open the trunk. Neither the fob ,the trunk release on the driver door, nor the release botton on the trunk. The indicator lights on the mirror flash attempting to have the electronic lock release, but no results! So much for the “viable optios”!!! I took it to the dealer, and they have a blank look on their face that diminished any hope that it would be an easy fix and it is now scheduled to go in for at least three days to have them figure it out. I’ll keep you all informed. Zero.

      Reply
  9. Plenty of snark here. No need for me to add my two cents in … ( Awwwww screw it, does the 2023 Corvette come with a cordless drill and drill bit? )

    Reply
  10. Saturn SKY owner here (Corvette frame, Cadillac drivetrain, 2.0T…. and no trunk lock cylinder).

    Hasn’t ever been a problem. Still, unless you’re restyling the bumper, I don’t see why to do it.

    I think GM put it there in case the mechanism had a design flaw, and they haven’t seen any.

    Reply
  11. That is just absolutely absurd!

    Reply
  12. I think saving weight is a good idea, it makes the car faster.
    When the dealer showed me the keylock behind the license plate my first thought was – what a BAD IDEA.

    So really, it is all a matter of perspective.

    Reply
    1. The problem with that line of thinking is… You can NOT go fast if you cannot get in the vehicle… Just sayin’

      Reply
  13. I’m about to order a C8 Convertible Corvette ($99,675) and I’m just now hearing about this?

    Really?

    First, I still have to put up with a premium garbage, and second, I need to worry about the trunk?

    Explain to me how this is a selling point?

    Did you have any Corvette owners on this panel when you came up with this brilliant idea?

    Or is everyone here correct, and it’s the bean counters, who drive a Prius making these kind of decisions?

    Reply
    1. Assuming that Foregone Conclusion above is correct that the failure rate of the electric actuation system has a failure rate of 0.00001% (a 99.99999% reliability), on par with safety critical components. This is the only single point failure component in the rear hatch open function chain I am aware of. The battery doesn’t count as power-free access to the battery is provided and applying auxiliary power or replacing the battery to power the system to energize the trunk release is provided.
      We should note that the glove box has a similar situation, an electrical latch with no alternative manual release. A screw driver and some time is required to get around that without power. I keep the manuals and emergency equipment in the frunk for that reason.
      My experience is limited, with only 9 months and 7,500 miles on my 2021, but the electric latches have worked 100% of the time. I’ve tested all the manual latches except the frunk* and they have all worked as advertised.
      * I should go check that one too, being important if the battery is depleted, probably should check them all annually just to be sure. In my view the rear hatch is the least important.
      I have been putting up with this “premium garbage” rather happily. This has been the most exciting ground based machine I have ever touched. It seems equally at home diving around race course corners as experienced with the Ron Fellows owner’s class as it is cruising across the country on the freeways and backroads in quiet, air conditioned comfort experienced on my drive home to Seattle from Bowling Green last fall.

      Reply
      1. On my new C8 (with only 275 miles on OD) the trunk latch failed not due to electrical associated reasons but the mechanicals in the locking mechanism. The assumption is had GM retained the previous ( non-electric) rear entry point no questionable methods to release and open the trunk would be needed.

        Reply
    2. Nobody’s doing anything about it

      Reply
  14. I had a 2021c8 waiting on my 23 I wrecked first one in front couldn’t get battery power to get in trunk luckily I had key for lock behind plate gm do better

    Reply
  15. I would prefer Corvette’s simply have normal locks and doorpulls…I’ve always thought the electronic door buttons/releases were gimmicky in the c6 thru c8, and it doesn’t save weight because of the redundant physical pulls added for emergencies. Regardless of my opinions, this is a non-discussion with most other cars.
    A 3” inch drilled out hole in the back of the C8 Stingray is about the only way to make it look worse…too bad drilling holes into the tail lights isn’t the solution…

    Reply
  16. I would prefer Corvette’s simply have normal locks and doorpulls…I’ve always thought the electronic door buttons/releases were gimmicky in the c6 thru c8, and it doesn’t save weight because of the redundant physical pulls added for emergencies. Regardless of my opinions, this is a non-discussion with most other cars.
    A 3” inch drilled out hole in the back of the C8 Stingray is about the only way to make it look worse…too bad drilling holes into the tail lights isn’t the solution…

    Reply
  17. Makes me laugh …. the comments…. as if there is ANYTHING practical about the new C8 !!!!. Nothing based in real world use, so….

    Reply
    1. Aww Claude! Car and Driver begs to disagree, from their 2022 review: “Storage areas behind the engine and in front of the cabin offer enough cargo space for a weekend away, and its attainable price, exceptional performance, and surprising practicality make it a 10 Best winner and earn it a spot on our Editors’ Choice list.”

      I traveled across the country with a passenger, including two carry-on roller bags, a couple of laptop bags, a duffle, and some odds and ends including camera gear and a drone. Amazing GT vehicle and still remarkable on a track. You can have your cake….

      Reply
  18. Because gm…

    Reply
  19. If the actuator fails electrically or mechanically. You must drill the 3″ hole right through the little stingray on the trunk lid. OH MY!

    Reply
  20. Lest anyone thinks that this is so massively stupid that it’s gotta be a bad April Fools joke – Think again.

    I just checked the 2023 Owners Manual, and all references to the rear trunk/hatch lock tumbler have been removed. So yes…. it is massively stupid.

    Reply
    1. Maybe everyone should just order a 2021 lock kit and have it installed or tell the dealer or Corvette make it a option when you purchased a car

      Reply
  21. Should I cancel my order for a 2023(4?)?? This certainly makes me pause to think that GM couldn’t have come up with a manual release alternative. What else have they short-cutted for costs? I certainly wouldn’t want some “mechanic” drilling a hole ANYWHERE in my $100,000 treasure.

    Reply
    1. Time to at least make the 2021 lock kit available for all future Corvettes

      Reply
  22. Will somebody please read the 2023 manual and let us know whether this is true or not

    Reply
    1. See my post above. I have reviewed the 2023 owners manual and it’s NOT in there.

      Reply
  23. JRF
    OK that’s great you don’t see it in there but is there anything on the 23 manual that explains how to open your trunk behind the license plate is that still there? Thank you

    Reply
    1. The ’20, ’21, and ’22 manuals all cover the tumbler lock behind the license plate in good detail. But that’s all been omitted from the ’23 manual. There is nothing in the ’23 manual that addresses getting access to the rear trunk if the electronic options fail.

      Reply
  24. I have a 2021, so this stupid omission doesn’t effect me – at least not until I get a ’23 or ’24 Z06. But if I did have a 2023+ without an emergency backup to get into the rear trunk from the outside – here’s what I would do…

    1. Get a length of high test monofilament fishing line.
    2. Tie it to the emergency release handle on the INSIDE of the trunk.
    3. Punch a tiny hole in the trunk’s rear wall liner.
    4. Route the fishing line underneath the liner to the right rear wheel well.
    5. Drill a tiny hole through the inside fender well, then punch a tiny hole through the composite wheel well liner into the wheel well.
    6. Continue routing the fishing line into the wheel well, tie a loop in the end, and tuck it under one of the edges/corners of the wheel well liner.

    If it ever becomes necessary to gain access to the rear trunk if the electronic options have failed – just tug on the fishing line in the wheel well to unlatch the trunk lid using the inside emergency release.

    You’d probably have to pull the trunk liner down temporarily to gain access for routing. If you were concerned about the hole drilled in the wheel well, you could put a dab of caulk over the hole after running the fishing line. It wouldn’t be enough to prevent a tug on the line from releasing the latch, but would keep any water out.

    Just my two cents, but you can bet there will be a bunch of aftermarket kits available to address this issue. All way overpriced – of course.

    In any event, and as stupid as this change is…. it would not be a deal breaker for me. The car is just too awesome otherwise.

    Reply
    1. I’ve not spent any time exploring this option seriously, but it might be easier to just buy the ‘20-‘22 parts and retrofit the tumbler…while they deleted the tumbler, I doubt they redesigned-away or deleted the installation points on the Stingray…TBD for Z06.
      On the other hand…I’ve owned quite a few cars, and haven’t ever had a seized release…I’ve seen it, but all cases weren’t failure, they were apparently from misalignment/prior accident damage.

      Reply
      1. New $100,000 car… Owners manual Page one. “Some assembly required”

        Reply
  25. Sounds about right. Increase prices by leaps and bounds and then decontent the little things thye hope no one will notice. GM at it’s finest!

    Reply
  26. GM can we make this an option. I think we would all be much happier…

    Reply
  27. Well,

    I have a 2023 C* and am unable to access my trunk ….so, yes it does happen …don’t worry it is covered under warranty …..so, let me get this straight, 100K for a car you have to wait for over a year to get and the trunk access ceases to work after 400 miles and their idea of a backup plan is a 3 inch hole in the deck lid???? REALLY ??? do they plan on replacing the decklid after they drilled into it to open it ….. do they plan to install a backup option the 2nd time around? Who pays for the PPF and ceramic coating the second time around …… This is why people buy Porsche instead.

    Reply
    1. Dennis, sorry to here about your misfortune and hope it is resolved to your satisfaction. Report back on the process and resolution.

      Reply
  28. Well,

    I have a 2023 C8 and am unable to access my trunk ….so, yes it does happen …don’t worry it is covered under warranty …..so, let me get this straight, 100K for a car you have to wait for over a year to get and the trunk access ceases to work after 400 miles and their idea of a backup plan is a 3 inch hole in the deck lid???? REALLY ??? do they plan on replacing the decklid after they drilled into it to open it ….. do they plan to install a backup option the 2nd time around? Who pays for the PPF and ceramic coating the second time around …… This is why people buy Porsche instead.

    Reply
  29. No big deal on trunk lock being removed on my 2023 2lt convert. Very simple fix if you look at child release handle in the trunk, all you need is 20 lb. test fishing line and some common sense and the problem is Solved .!! I did it release for trunk works great. Fishing line will not be seen. I had outside people try to find it, no luck seeing fishing line. Pull line works like a charm .Keep pick for fishing line in glove box when needed. Good luck all new vet owners.

    Reply
  30. If they’re that cheap , just make it The Tumblr turn key lock instead of drilling a hole an option same thing with an extra quart of transmission fluid instead of going through all that hassle

    Reply
  31. Anyone that has had this issue corrected with the rear latch no opening tell us what the problem was to fix it.

    Reply

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