OnStar Services
See also:
Removing the Flat Tire and
Installing the Spare Tire
1. Do a safety check before
proceeding. See If a Tire Goes
Flat for more
information.
2. Turn the wheel wrench
counterclockwise to loosen the
wheel nut caps.
If needed, finish loosening th ...
Raising the Seatback
WARNING!
If either seatback is not locked, it
could move forward in a sudden
stop or crash. That could cause
injury to the person sitting there.
Always push and pull on the
seatbacks to be s ...
Tire Pressure Monitor System
The Tire Pressure Monitor System (TPMS) uses
radio and sensor technology to check tire pressure
levels. TPMS sensors are mounted on each tire
and wheel assembly, except the spare tire.
The TPMS ...
