okay, i am reaslly get sick of this piece of $%$#^$%#$!! yesterday it woul not shut off again and today it would not turn on! jumped it and ran okay but wouldn't shut off again!!! called onstar they said an idle system problem. 4th time we have had starting/turning off problems all seem to be related to ingnition/ electrical problem. i am now looking into lemon law and need help on how togo about it?