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Why screen locks in reverse?

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Old 05-05-2016, 01:52 PM
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bimmerborn
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Default Why screen locks in reverse?

M7. If one leave the car in reverse gear and turn the engine off, the infotainment screen would not open. It will open if the car was in neutral or any other gear.
Do you know what's the reason behind this?






2005 MY had a battery drain issue if the M6 was not left in reverse.
Old 05-05-2016, 02:08 PM
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vettnutt
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Most likely a legal issue to ensure the rear camera is visible when backing up.
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Old 05-05-2016, 08:28 PM
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defaria
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Yeah on the theory you don't run over some kids playing behind you. Yet that's stupid because if you have front cameras you'll note that you can lower the screen when moving forward with the forward cameras on.

Just leave it in a gear other than reverse. The "power drain if not parked in reverse" seems odd to me. I had a C6 and had no such issue.
Old 05-05-2016, 10:22 PM
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owc6
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Originally Posted by defaria
Yeah on the theory you don't run over some kids playing behind you. Yet that's stupid because if you have front cameras you'll note that you can lower the screen when moving forward with the forward cameras on.

Just leave it in a gear other than reverse. The "power drain if not parked in reverse" seems odd to me. I had a C6 and had no such issue.
AFAIK, there is no power drain if not parked in Reverse; that was an '05 issue only. Not applicable to C7.
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Old 05-05-2016, 10:36 PM
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Zymurgy
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Originally Posted by owc6
AFAIK, there is no power drain if not parked in Reverse; that was an '05 issue only. Not applicable to C7.
DBS (dead battery syndrome) was a 2005 only problem. I park my C7 in 1st gear for days at a time with no battery issues.
Old 05-05-2016, 10:39 PM
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defaria
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Wow, in my best Johnny Carson... I did not know that. Mine previous vette was an 08 so I never experienced that.
Old 05-05-2016, 10:41 PM
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owc6
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Originally Posted by Zymurgy
DBS (dead battery syndrome) was a 2005 only problem. I park my C7 in 1st gear for days at a time with no battery issues.
Although, the screen will appear "locked" if left in reverse. "Pseudo Valet Mode."
Old 05-05-2016, 10:42 PM
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themonk
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if you have the screen down and then go into reverse it will go up automatically, same thing for and automatic I'm guessing.
Old 05-06-2016, 01:01 AM
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Grimlock13
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Originally Posted by defaria
Yeah on the theory you don't run over some kids playing behind you. Yet that's stupid because if you have front cameras you'll note that you can lower the screen when moving forward with the forward cameras on.

Just leave it in a gear other than reverse. The "power drain if not parked in reverse" seems odd to me. I had a C6 and had no such issue.
It was 2005 only. Somebody thought it was good idea to put that into the programming.

They had so many problems they got rid of it for 2006.
Old 05-06-2016, 02:36 AM
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Weasel
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What a strange problem. I had forgotten.
Old 05-06-2016, 07:03 AM
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Frodo
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Originally Posted by bimmerborn
M7. If one leave the car in reverse gear and turn the engine off, the infotainment screen would not open. [/SIZE][/I]
That does seem like odd behavior. With the engine off there doesn't seem to be any logic for the screen to be locked in the up position, whether in reverse or other gear or neutral. Just about everything in the C7 is computer controlled so you would expect the computers involved to know the engine is off and allow access to the compartment. Perhaps this is a programming issue not addressed. Or, perhaps the signal through the reverse sensor is alive when the car is off and influencing the computer's actions. Weird, for sure.
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Old 05-06-2016, 08:34 AM
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the screen will only stay locked for a few minutes, I suspect that it is a sensor thing.
Old 05-06-2016, 09:25 AM
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bjones7131
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Why would U ever want to turn car off with it in reverse or am I missing something. I always go to park?????????
Old 05-06-2016, 09:36 AM
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Boiler_81
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Manual transmission

Originally Posted by bjones7131
Why would U ever want to turn car off with it in reverse or am I missing something. I always go to park?????????
Old 05-06-2016, 02:14 PM
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bimmerborn
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Folks, thank you for your feedback.
I backup my car to my driveway. I have the habit of leaving my cars in reverse when parked. I store my shades behind the infotainment's screen.

I agree this might be a programming issue.

FWIW the car will go in reverse gear only if the engine is running. There is a safety blocking solenoid for reverse gear that only disengages if the engine is running and the car is stopped. So one can not select reverse after the engine turned off.
Old 05-06-2016, 08:53 PM
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Originally Posted by bimmerborn
Folks, thank you for your feedback.
I backup my car to my driveway. I have the habit of leaving my cars in reverse when parked. I store my shades behind the infotainment's screen.

I agree this might be a programming issue.

FWIW the car will go in reverse gear only if the engine is running. There is a safety blocking solenoid for reverse gear that only disengages if the engine is running and the car is stopped. So one can not select reverse after the engine turned off.
Mine will go in reverse without engine running. 2015 manual.
Old 05-06-2016, 10:31 PM
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rcooper
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Same here, '15 M7
Old 05-06-2016, 10:34 PM
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owc6
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Originally Posted by stevedun
Mine will go in reverse without engine running. 2015 manual.
Yep. I've never heard of any manual that requires the engine to be running to select gear.
Old 05-10-2016, 11:21 AM
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Boiler_81
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Same in a 16 manual

Originally Posted by stevedun
Mine will go in reverse without engine running. 2015 manual.

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