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Posted
every few minutes when my 2004 c8 is at rest the main display lights up with economy mode active, the steering wheel display illuminates the traction control and airbag deactivation lights + others. There is a whirring noise from the main dash area and then everything turns off again. Anyone got any ideas ? if i had any idea about this i would know what to search for. thanks in advance
Guest Pete c3
Posted

every few minutes when my 2004 c8 is at rest the main display lights up with economy mode active, the steering wheel display illuminates the traction control and airbag deactivation lights + others. There is a whirring noise from the main dash area and then everything turns off again. Anyone got any ideas ? if i had any idea about this i would know what to search for. thanks in advance

 

the car shuts down all none essential systems to stop you draining your battery with the ignition on, nothing to worry about though. it normaly kicks in after half hour depending on how long the cars been running.

Posted
having looked at again tonight i find that the aircim led on the centre switch console lights up as well. its as if the c8 was trying to turn on air con also ???? does any of this make sense ?? What should the nominal at rest battery voltage be ??
  • 2 weeks later...
Guest Pete c3
Posted

having looked at again tonight i find that the aircim led on the centre switch console lights up as well. its as if the c8 was trying to turn on air con also ???? does any of this make sense ?? What should the nominal at rest battery voltage be ??

 

the voltage shud be aound 12 volts, but make sure you let the car stand for 3 minuets. make sure that the keys are out of the ignition and the doors are all closed so all the systems shut down, its quite normal on c8 for this to happen ive seen it many times on mine when the car goes into eco mode

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