See also:

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 ...

Emergency
With Automatic Crash Response, the built-in system can automatically connect to help in a crash even if you cannot ask for it. Push to connect to an Emergency Advisor. GPS technology is used to iden ...

Bulb Replacement
For the proper type of replacement bulbs, see Replacement Bulbs on page 10‑37. For any bulb changing procedure not listed in this section, contact your dealer. ...