Bought the car used. Wife used it in sales. Replaced tie rod ends at 30,000 miles. warranty covered. Most GM cars have front suespension problems. I too have had power window problems. One time it is the motor then the switch. I think that is a dealer scam or lack of training. Changed transmission fluid at 50,000 miles. No tran problems at 117,000. Still gets over 30 MPG on highway. Always used mobile one motor oil. Just replaced O2 sensor. Uses no oil.
Controls for heater and radio
Power windows, stronger suespension parts. While driving at night a lot of heat from dashboard and I guess computer systems.