See also:

General Information
Vehicles with a Universal Handsfree Phone (UHP) system can use a Bluetooth® capable mobile phone with a Hands-Free Profile to make and receive phone calls. The infotainment system and voice ...

Ignition Positions
The ignition has four different positions: In order to shift out of P (Park), ignition must be in the ON/RUN and the regular brake pedal must be applied. Notice: Using a tool to force the key to ...

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 ...