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:

    Keys
    WARNING! Leaving children in a vehicle with the ignition key is dangerous for many reasons. Children or others could be badly injured or even killed. They could operate the power windows or ...

    Battery Load Management
    The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. Wh ...

    Engine Coolant Temperature Gauge
    Metric English This gauge measures the temperature of the vehicle's engine. If the indicator needle moves into the shaded area, the engine is too hot. While driving under normal op ...