See also:

Battery Replacement
Replace the battery if the REPLACE BATTERY IN REMOTE KEY message appears in the DIC. See “REPLACE BATTERY IN REMOTE KEY” under DIC Warnings and Messages for additional information. Notice ...

Taillamps, Turn Signal, Stoplamps and Sidemarker Lamps
A. Sidemarker Lamp B. Stoplamp/Taillamp/Turn Signal Lamp To replace one of these bulbs: 1. Open the trunk. See Trunk. 2. Remove the convenience net. 3. Remove the plastic wing nuts retaining th ...

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 ...