Database Coverage Explanations

Coverage area depends upon the map detail available. Some areas have greater map detail than others. The navigation system works only as well as the information provided on the stored map data. See Map Data Updates   on how to obtain updated map information.

    See also:

    Flash-to-Pass
    The flash—to—pass feature works with the low beams or Daytime Running Lamps (DRL) on or off. To flash the high beams, pull the turn signal/lane change lever all the way toward you, then release i ...

    Trans (Transmission) Temp (Temperature) (CTS-V Only)
    This display shows the transmission fluid temperature in either degrees Celsius (°C) or degrees Fahrenheit (°F). ...

    Buying New Tires
    GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) sy ...