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:
Shutting the Engine Off After a Remote Start
To manually shut off the engine after
a remote start, do any of the
following:
- Press until the parking lamps
turn off.
- Turn on the hazard warning
flashers.
- Turn the ignition switch o ...
Accessories and Modifications
Adding non—dealer accessories or making modifications to the vehicle can
affect vehicle performance and safety, including such things as airbags,
braking, stability, ride and handling, emissions sys ...
Rear Compartment Fuse Block
The rear compartment fuse block is located in the cargo area, on the driver
side of the vehicle behind the lower trim panel. To open, turn the latch with a
flat bladed tool and pull the trim pan ...