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:
Power Liftgate Operation
On vehicles with a power liftgate, the switch is on the overhead console.
The vehicle must be in P (Park) to use the power feature. The taillamps will
flash and a chime will sound when the power li ...
Environmental Concerns
Always use established trails, roads, and areas that have been set aside
for public off-road recreational driving and obey all posted regulations.
Do not damage shrubs, flowers, trees, or gras ...
Universal Remote System
The Universal Home Remote
System allows for garage door
openers, security systems, and
home automation devices to be
programmed to work with these
buttons in the vehicle.
See Universal Re ...