See also:

Keyless Trunk Opening
Lift up on the touch pad located above the license plate to open the trunk if the RKE transmitter is within range. ...

Engine Coolant Temperature Gage
This gage shows the engine coolant temperature. If the pointer moves towards the H (United States) or shaded in thermostat symbol area (Canada), the engine is too hot. A temperature indicator l ...

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 ...