Headlamps on Reminder
A reminder tone sounds when the headlamps or parking lamps are manually turned on, if the driver’s door is open and the ignition is in LOCK or ACC. To turn the tone off, turn the knob all the way counterclockwise.
In the automatic mode, the headlamps turn off once the ignition key is in LOCK.
See also:
What to Use
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Adding only plain water to the cooling system can
be dangerous. Plain water, or some other liquid
such as alcohol, can boil before the proper coolant
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OnStar® Virtual Advisor is a feature of OnStar®
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