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:
Removing the Spare Tire and Tools
To access the spare tire and tools:
1. Open the trunk. See Trunk .
2. Lift the load floor.
A. Retainer Nut
B. Tool Bag Tether
C. Tool Bag
D. Spare Tire
3. Turn the retainer nut (A) counter ...
Seat Recall
Press the customization button until SEAT
RECALL: OFF appears in the display. To select
your preference for recall of the driver’s memory
seat, mirrors, and adjustable pedals, if your vehicle
ha ...
Additional Factors Affecting System Operation
Safety belts help keep the passenger in position on the seat during vehicle maneuvers and braking, which helps the passenger sensing system maintain the passenger airbag status. See “Safety Belts” ...