See also:

Remote Start Heated and Ventilated Seats
During a remote start, the heated or ventilated seats, if equipped, can be turned on automatically. They are canceled when the ignition is turned on. Press the button to use the heated or ve ...

RELEASE PARK BRAKE
This message is displayed if the electric parking brake is on while the vehicle is in motion. Release it before you attempt to drive. See Parking Brake for more information. ...

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 ...