See also:

Fuel Range
The Fuel Range display shows the approximate distance the vehicle can be driven without refueling. The fuel range estimate is based on an average of the vehicle's fuel economy over recent driving ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Washer Fluid Messages
WASHER FLUID LOW ADD FLUID This message displays when the windshield washer fluid is low. Fill the windshield washer fluid reservoir as soon as possible. See Engine Compartment Overview   ...