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 Air Cleaner/Filter
See Engine Compartment Overview for the location of the engine air
cleaner/filter.
Inspect the air cleaner/filter at the scheduled maintenance intervals and replace
it at the first oi ...
Driver Information Center (DIC)
The DIC display is located at the bottom of the instrument panel cluster. It
shows the status of many vehicle systems and enables access to the personalization
menu.
The DIC buttons are located ...
Exterior Lamp Controls
The exterior lamp control is located on the instrument panel to the left of the
steering column.
It controls the following systems:
- Headlamps
- Taillamps
- Parking Lamps
- License Plat ...