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:

    Driving dynamics
    The robust and dynamic CTS chassis infuses the new wagon with a great balance of performance and luxury. It uses an independent short/long arm ( SLA) front suspension system and a multi-link rear ...

    Address Book
    The address book entry method lets you select a destination by selecting an address that has been stored in the address book. Address Book: Press to access the Address Book screen. From this s ...

    Tire Rotation
    Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule. Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. Any time ...