Questions & Answers for: Buick clock resets by itself

clock resets itself. When I do manage to get the car started I bring it straight to the mechanic. But he has no problem getting it started and says there is nothing wrong. I have no idea what to do. I

...clock resets itself to 12:00 when restarting the 2005 Buick Rendevous. Sometimes if you are really careful how you turn the ignition, the time will stay as set, buy not very often. maybe you should ...

...cars if you unhook the negative battery cable for 5 or 10 minutes, the main computer will reset itself. Of course you'll have to reset the clock, but hopefully that will work if that's the

thing you can do is remove the negatvie battery terminal to allow the ECM to reset itself. Be warned that this will restore all electroinc setting back to default condition (radio, clock, seat memory)