Got a question about a MY2010: is there any way to reprogram or limit the way the electronics "wake up" when you open the door?

So here's the situation – the car's been unlocked with the remote for over 15 minutes, everything's gone quiet like it should. I walk up, open the passenger door, and boom – the whole electronics system wakes up. Battery starts discharging again. If this happens often enough, the battery’s basically working non-stop and that’s a problem.

Is there any way to tone down or control this "waking up" behavior?

Can it be reprogrammed somehow so that the electronics only wake up when you hit the start/stop button, and not as soon as you open a door?

Ideal solution would be a setting or mode switch – like a “camp mode” or “quiet mode” where you can keep the car in a sort of sleaping state, similar to turning off the interior lights with the switch. Something to stop it from fully waking up when you're just getting in and out without starting the engine.

Anyone played around with this or found a workaround?

No

Can't see this being an issue for 99.9999% of folk who only open the door before getting into it to set off on a journey, what are you doing for it to be causing a problem

This also drove me mad, especially on holiday when the vehicle might be parked up for days but you keep getting belongings in and out of the car. When I had my D4 and went camping in it and near to it all day I used to leave one door just 'on the first click' of the latch. This meant that the vehicle would not wake up as long as one door remained on this latch.

My L405 had soft close doors so I could never test this but it might be worth a try

I agree a 'slow start' mode should be an option FFRR SDV8 Autobiography

@James W: Thanks for your idea. I will try this. Driver's door or passanger's?

Switch off all the interior lights by holding the button.
Makes a massive difference to battery drain.
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Switch off all the interior lights by holding the button. Makes a massive difference to battery drain.

Done many month ago.

Arendzik wrote:

@James W: Thanks for your idea. I will try this. Driver's door or passanger's?