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 Lumbar
On vehicles with power lumbar, the control is located on
the outboard side of the front seats.
For vehicles with a two-way lumbar control, press the
control top or bottom to increase or decreas ...
Vehicle and Power Issues
OnStar services require a vehicle
electrical system, wireless service,
and GPS satellite technologies to be
available and operating for features
to function properly. These systems
may not o ...
Head Restraint Adjustment
Do not drive until the head restraints for all occupants
are installed and adjusted properly.
For more information see Head Restraints. ...