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 Door Locks
(Unlock): Press to unlock
all doors.
(Lock): Press to lock all
doors.
See “Power Door Locks” in Vehicle Personalization . ...
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:
California Proposit ...
Using the Delete Command
The delete command allows specific name tags to be
deleted.
To use the delete command:
1. Press and hold for two seconds.
The system
responds with “Ready” followed by a tone.
2. Say “D ...