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:
Rear Safety Belt Comfort Guides
This vehicle may have rear shoulder
belt comfort guides. If not, they are
available through your dealer.
The guides may provide added
safety belt comfort for older children
who have outgrown ...
General Information
For service and parts needs, visit your dealer. You will receive genuine GM
parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:
...
Safety Locks
Rear door safety locks prevent passengers from opening the rear doors from
the inside.
Press to activate the safety locks, the LED in the switch illuminates.
Press to deactivate the safety ...