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 vehicle is equipped with the Tire Pressure Monitoring
System. If a diagnostics check is needed between e-mails, push
, and an Advisor can run a check.
See also:
Engine Compartment Fuse Block
The fuse block is located under the hood in the
engine compartment on the driver’s side of
the vehicle.
Remove the primary cover by pressing the
two locking tabs. Remove the secondary cover
b ...
After Off-Road Driving
Remove any brush or debris that has collected
on the underbody, chassis, or under the hood.
These accumulations can be a fire hazard.
After operation in mud or sand, have the brake
linings cle ...
Error Messages
If Disc Read Error displays and/or the disc comes out, it could be for one of
the following reasons:
The disc has an invalid or unknown format.
The disc is not from a correct region.
The dis ...