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 ...

Tire Sealant
Read and follow the safe handling instructions on the label adhered to the sealant canister. Check the tire sealant expiration date on the sealant canister. The sealant canister should be repla ...

Using Voice Recognition
To use voice recognition, press the button located on the steering wheel. Use the commands below for the various voice features. For additional information, say "Help" while you are in a ...