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:
Ride & Handling
The regular CTS coupe's ride quality strikes a nice middle ground. There's a
firmness to the tuning that's expected in a car like this, but Cadillac hasn't
gone overboard and created a bone-jarrin ...
Full-Size Spare Tire
If this vehicle came with a full-size spare tire, it was fully inflated when
new, however, it can lose air over time. Check the inflation pressure regularly.
See Tire Pressure and Vehi ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have them sent to the vehicle navigation
screen. Destinations can also be forwarded to the veh ...