See also:

Rear Compartment Fuse Block
The rear compartment fuse block is located on the left side of the trunk behind a cover. Vehicles with eAssist do not have a rear compartment fuse block. The vehicle may not be equipped ...

Anti-theft Alarm System Messages
THEFT ATTEMPTED This message displays if the vehicle detects a tamper condition. ...

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 ...