Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
Security Light
This light will come on
briefly when you turn
the key toward START.
The light will stay on until the engine starts. If the
light flashes, the Passlock® system has entered
a tamper mode. If t ...
Radio (s)
Press to turn the system on and off. Turn to increase or decrease the volume.
RADIO/BAND: Press to choose between FM, AM, or XM™, if equipped.
Turn to select radio stations.
Press to seek the p ...
Balance in ride, handling
With its choice of two powerful engines and strong body-on-frame
construction, Rainier carries solid truck credentials. But its silky feel and
performance on the road are more akin to a fine touri ...