Sunroof

Sunroof
On vehicles with a sunroof, the switch is located on the overhead console.
The sunroof only operates when the ignition is in ON/RUN or ACC/ACCESSORY, or in Retained Accessory Power (RAP). See Retained Accessory Power (RAP)
See also:
Tire Pressure Light
For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on briefly when the engine is started. It provides information about tire pressures and the TPMS.
When the Light Is On St ...
Parking on Hills
WARNING:
Parking the vehicle on a hill with the trailer
attached can be dangerous. If something goes
wrong, the rig could start to move. People can be
injured, and both the vehicle and the trai ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
