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:
Resetting the Power Folding Mirrors
Reset the power folding mirrors if:
The mirrors are accidentally obstructed while folding.
They are accidentally manually folded/unfolded.
The mirrors will not stay in the unfolded position.
...
How to Add Coolant to the
Surge Tank
WARNING!
You can be burned if you spill
coolant on hot engine parts.
Coolant contains ethylene glycol
and it will burn if the engine parts
are hot enough. Do not spill
coolant on a hot engin ...
Front Seats
The front seats have adjustable head restraints in the outboard seating positions.
The height of the head restraint can be adjusted. Pull the head restraint up
to raise it. Try to move the head r ...