I was taking my C8 for a ride to add some miles toward 500. I got in, place fob in armrest area, started engine and I can not remember if it was before or after I backed up, but that fact is somewhat irrelevant.I was stopped in my driveway and I hear a CLUNK. I thought I hit something or ran over something, but I WAS NOT moving. I was in PARK and stopped! After looking around and not noticing anything, I finally saw my dashboard and WOW!

I can not remember if I had opened the rear trunk to show someone my C8 a few days earlier or not, but on my best memory, I always watch the trunk get sucked down - too cool, why not watch! So 99.99% sure trunk was closed. There is something strange going on with the computer / electronics on this vehicle is all I have to say!

So question why I was stupid to install a secondary frunk safety wire all of you _____! Too many years flying and military to not do so! Not sure what to do / report to whom from here. BTW, as soon as I realized what occurred, I immediately documented both items with my cell phone. BTW, Android Cell phone was plugged in USB. NOTE FOB is such that no buttons are in contact with anything. I specifically intentionally place it like that JIC - NOT knowing it would be valuable information 15-20 seconds later.

I heard the event happen! Hard to recall if it was 1 or 2 clicks. No money on it, but it sounded like two, but again, could have been 1. The sound was loud enough for me to hear with my hearing loss! Feedback and thoughts are welcomed. I'm at a loss for words.

After closing and making sure Trunk was closed I went for my leisurely drive and added another 25 without incident.

 

Good grief! Thanks for the report.
Thank God you weren't going 60mph in reverse!
​​

 

Not as huge a deal as the rear won't blind you or damage the car or get ripped off and kill someone!

 

This points out why putting the hinges at the front of the frunk and the latch on the back below the windshield could be a running change for the 2021s (or 2022s at the latest). Glad there was no damage, and you’re safe.

 

User error. 😉

 

I would trade a daily sudden trunk opening ,for a secondary mechanical latch in a heartbeat.

 

An electronic glitch, in all likelihood. You may see it again tomorrow... or, never. Such happens with these things and have since at least the C5s (from my own experience). All the best!

 

While a rear opening hood works OK for engine access it is impractical for frunk access. I am not aware of one frunk that has a rear opening. There are millions of front opening hoods on the road that don't accidentally open while driving. Tesla has over a million vehicles with frunks that operate similarly to the C8's. They don't have nearly the frequency of inadvertent openings that the C8 has.
Are you saying Corvette is incapable of designing a reliable front opening hood like Tesla has?

 

Every single flying frunk happened at low speed, looking like it popped when the car was stopped and took flight when enough air got under it. Now this one has a trunk pop with no input. I have to wonder since the fob is sending a signal as you approach the car so it is unlocked as you reach for the door without having to push any buttons, how close is the frequency to the signal that pops the frunk or in this case the trunk? Is the fob sending a rogue signal that is popping these opening as the driver is getting in the car? It would explain why nobody has any recollection of touching the fob or leaving a frunk or hatch open and why they are happening while the vehicle is stopped.

 

Again, I actually heard the noise of the Rear Trunk Latch opening while I was already sitting in the car and not physically holding the FOB. It was placed in the arm rest area intentionally with face side away from any surface out of frunk considerations never thinking that the Rear Trunk was an issue too. I'll report this event to the wonderful Concierge and see what they do with it.

Fyi, and no pilot jokes necessary, as I make my approach to the driver's side and door, I walk down the passenger side first, then the back and up to the driver's side to get in. If the Rear Trunk was already open, I would have noticed it.

Last point of note that I am not sure matters, but my wife was nearby waiting for me to get the C8 out of the garage before she got in the passenger side. She was going through her Apple Phone getting ready to hook it up to the C8s audio. I only mention this because I'm convinced that somehow there are spurious signals being generated and received causing unwanted actions. I think that I might now pass on the wireless android or car play coming in the 2021 MY.

 

I turned off this feature in Setup.

 

I reviewed the manual for that - pages starring p116. Which element(s) did you deactivate? I didn't recognize the feature you deactivated from those mentioned.

Silly what C8 owners are having to deal with and do. And I was wondering about first year jitters over engine problems and such, never expecting to deal with RFI or software!

 

Did we finally discover the Caramilk chocolate bar secret?
I thought it was an over sensitive key fob that was in my pocket...

 

I know if I have a couple of credit cards next to my access control card it can change the frequency enough my access card won't work, and once I move them away my access card works again. Just have to wonder if there is anything else in the band or something that screws up the signal such that the computer "hears" unlock frunk (in this case trunk)???

 

I was leaning 60/40 toward User ERROR, but with so many Frunks opening in a currently relatively small user base, I had doubts. It is very difficult to get the feeling that the C8 is having random glitches from time to time based on spurious signals, regardless of reason, UNTIL IT HAPPENS TO YOU. I was mildly sceptical, but I am now convinced, something is going on and it is a defect, not 100% user error. Not to say some haven't been user error. I just remembered, I'll need to review my PDR! It's on 100% of the time. Now I need to read how to watch playback!

 

page 10
keyless access operation

page17
For Keyless Access, hold the remote key within 1 m (3 ft) of the door handle. Grip and press the door handle touchpad. See Remote Keyless Entry (RKE) System Operation > 9. This feature can be programmed. See Vehicle Personalization >116.

page 119
Passive Door Unlock
This setting specifies which doors unlock when using the button on the driver door handle to unlock the vehicle.
select: Touch Off
Passive Door Lock
This setting specifies if the vehicle will automatically lock, or lock and provide an alert after all the doors are closed, and you walk away from the vehicle with the remote key. See Remote Keyless Entry (RKE) System Operation >9.
select: Touch Off

 

Thanks. Possibly a typo, but it was page 119 in the hard copy UM.
I'll Deactivate both and require the FOB for Entry or Locking.
Passive isn't so Passive any more.
Don't need Passive Frunk or Trunk opening on their own.

 

I am concerned that you were only able to put 25 miles on the car......

 

Everything on this opening of the frunk and now the trunk sounds like radio interference. My understanding is that the fobs in the USA run on 315mhz?

If so this would be the list of devices that could be interfering.
Television broadcasts, microwave oven, microwave devices/communications, radio astronomy, mobile phones, wireless LAN, Bluetooth, ZigBee, GPS and two-way radios such as land mobile, FRS and GMRS radios, amateur radio, satellite radio, Remote control Systems, ADSB

I would be testing the bluetooth on a mobile around the car. Put it into pair new device so it sends out a pairing signal and see if it can trigger an unlock. Lots of people have this constantly on and don't even know about it.

 

One would think that GM engineers would have done all of the required RFI testing. Or if a subcontractor, all options are possible for shortcuts in testing. Gotta love ....