This applies to many Audis but..... about to replace battery in an A4.
I've read somewhere that if you connect a 12v supply to the ciggy lighter it maintains 12v through the car as that socket is permanently live thereby keeping radio codes, computer etc etc etc happy !
Is this correct?
I've read somewhere that if you connect a 12v supply to the ciggy lighter it maintains 12v through the car as that socket is permanently live thereby keeping radio codes, computer etc etc etc happy !
Is this correct?