Horn
Pressaon
the steering wheel pad
to sound the horn.
See also:
Muting a Call
To Mute a Call
Turn or press the MENU/SELECT knob and select Mute Call.
To Cancel Mute
Turn or press the MENU/SELECT knob and select Mute Call. ...
Automatic Transmission Shift Lock Control Function Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before starting this check, be sure there is enough room ...
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 ...






