See also:

Engine Compartment Fuse Block
The underhood fuse block is located in the engine compartment, on the passenger side of the vehicle. Lift the cover for access to the fuse/relay block. Notice: Spilling liquid on any electrical co ...

Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the circui ...

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 vehic ...