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.

    See also:

    Adding Coolant to the Intercooler System Coolant (CTS-V)
    1. Remove the intercooler system pressure cap when the intercooler system hoses are no longer hot. Turn the pressure cap slowly counterclockwise about one-quarter of a turn. If you hear a ...

    Speedometer
    The speedometer shows the vehicle speed in both kilometers per hour (km/h) and miles per hour (mph). ...

    Convenience and safety technologies
    Comfort, convenience and safety offerings are plentiful and include heated and cooled front seats; heated rear seats; heated steering wheel; standard tri-zone climate control; factory-installed Ad ...