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:
Tire Chains
WARNING
Do not use tire chains. There is not enough clearance. Tire chains used on a
vehicle without the proper amount of clearance can cause damage to the brakes, suspension,
or other vehicle ...
Flash-to-Pass
To flash the high beams, pull the
turn signal/lane change lever toward
you, and release. ...
Power Door Locks
On vehicles with power door locks, the switches are
located on the front doors.
(Unlock): Press to unlock the doors.
(Lock): Remove the key from the ignition and press
to lock the doors.
...