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:
Airbag Readiness Light
This light shows if there is an electrical problem with the airbag system.
The system check includes the airbag sensor(s), passenger sensing system, the
pretensioners, the airbag modules, the wiring ...
Ignition Positions
The ignition switch has four different positions.
To shift out of P (Park), the ignition must be in ON/RUN or ACC/ ACCESSORY and
the regular brake pedal must be applied.
A (STOPPING THE ENGINE/ ...
Tire Pressure Monitor Operation
This vehicle may have a Tire Pressure Monitor System (TPMS).
The TPMS is designed to warn the driver when a low tire pressure condition
exists. TPMS sensors are mounted onto each tire and wheel as ...