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:

    When the System Does Not Seem To Work Properly
    Occasional missed alerts can occur under normal circumstances and will increase in wet conditions. The system does not need to be serviced due to an occasional missed alert. The number of missed ...

    AUTO (Automatic Mode)
    1. Turn the fan control to AUTO. 2. Turn the mode control to AUTO. 3. Adjust the temperature to a comfortable setting between 68°F (21°C) and 78°F (26°C). Choosing the coldest or warmest temp ...

    Outside Air Temperature Display
    A new outside temperature reading will be displayed if the vehicle has been off for more than three hours. If the vehicle has been off for less than three hours, the old temperature reading may be ...