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:
Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep
downgrade. If the transmission is not shifted down, the brakes might have to be
used so much that they would get hot and n ...
Dolly Towing (Front Wheels Off the Ground)
Notice: If a two-wheel drive vehicle is towed with the rear wheels on the ground,
the transmission could be damaged. The repairs would not be covered by the vehicle
warranty. Never tow the vehic ...
Programming Transmitters to the Vehicle
Only RKE transmitters programmed to this vehicle will work. If a transmitter
is lost or stolen, a replacement can be purchased and programmed through your dealer.
When the replacement transmitter ...