Brakes soft and nosie at times. master cylinder replaced. brakes jump when stopping at times. battery goes dead. jumped about a dozen times. gm told me to replace battery. i did at walmart for $50. instead at autoway for $150. overhead information (compass, mile per gallon etc repaired about six times(but on warranty from autoway and gm. hard starting, front doors jam, right front window fog up, told to turn vent by autoway and gm. vent doesn't turn. key less entry doesn't work sometimes. was told by autoway & gm that i am the problem becaused i am disabled and should not drive.