See also:

How OnStar Service Works
: This blue button connects you to a specially trained OnStar advisor to verify your account information and to answer questions. : Push this red emergency button to get priority help fro ...

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 ...

Door Locks
To lock or unlock the door, use the Remote Keyless Entry (RKE) transmitter or the key from outside the vehicle, and the door lock knob or switch from inside the vehicle. To unlock or lock the fuel do ...