See also:

Roadside Assistance and OnStar
If you have an active OnStar subscription, press the Q button and the current GPS location will be sent to an OnStar Advisor who will assess your problem, contact Roadside Assistance, and relay y ...

Engine Air Cleaner/Filter
See Engine Compartment Overview  for the location of the engine air cleaner/filter. ...

Sensor
The solar sensor, located on top of the instrument panel near the windshield, monitors the solar heat. The climate control system uses the sensor information to adjust the temperature, fan sp ...