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:
Vehicle Overview
Cadillac's Escalade ESV offers more room for those who find the Escalade, a
full-size SUV, just a bit too small. Its wheelbase is 14 inches longer than the
full-size Escalade, and its total length ...
Roadside Service
U.S.: 1-800-224-1400
Canada: 1-800-882-1112
TTY Users (U.S. only):
1-888-889-2438
Mexico: 01-800-466-0805
As the owner of a new Cadillac,
you are automatically enrolled in the
Roadside Servic ...
Map Data Updates
The navigation map database is stored on a compact flash card. It is usable only
in this type of navigation system, and will not function in other electronic devices.
The map in the vehicle was ins ...