OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationSeat Adjustment
Manual Seats
To adjust the seat:
Lift the bar under the front edge of the seat cushion to unlock the seat.
Slide the seat to the desired position and release the bar.
Try to move the seat back and forth to be sure it is locked in place.
See Seat Adjustment on page 3-5.
Seat Height A ...
Ride Control Systems
Traction Control/Electronic Stability Control
System Operation
The vehicle has a Traction Control System (TCS) and StabiliTrak®, an electronic
stability control system.
These systems help limit wheel slip and assist the driver in maintaining control,
especially on slippery road conditions.
T ...
Different Size Tires and Wheels
If wheels or tires are installed that are a different size than the original
equipment wheels and tires, vehicle performance, including its braking, ride and
handling characteristics, stability, and resistance to rollover may be affected.
If the vehicle has electronic systems such as antilock ...