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:
Reverse Tilt Mirrors
If the vehicle is equipped with memory mirrors, there is an option to have
the mirrors tilt down, when in R (Reverse), to more easily see the ground near
the vehicle.
When the vehicle is shifted ...
Rear Seats
Notice: Folding a rear seat with
the safety belts still fastened may
cause damage to the seat or the
safety belts. Always unbuckle the
safety belts and return them to
their normal stowed pos ...
Exterior Care
Washing the Vehicle
To preserve the vehicle's finish, wash it often and out of direct sunlight.
Notice: Do not use petroleum based, acidic, or abrasive cleaning agents
as they can damage the ve ...