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:
Insuring the Vehicle
Protect your investment in the
GM vehicle with comprehensive
and collision insurance coverage.
There are significant differences in
the quality of coverage afforded by
various insurance polic ...
Engine Oil Change
When the CHANGE ENGINE OIL SOON message displays, have the engine oil and filter
changed within the next 1 000 km/600 mi. If driven under the best conditions, the
engine oil life system might not ...
Liftgate
The liftglass or liftgate cannot be opened if the rear wiper is in motion. Attempting
to open the liftglass or liftgate while the rear wiper is in motion will cause the
release of the liftglass ...