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:
XM NavTraffic (USA and Canada)
Vehicles with the navigation system have an XM NavTraffic receiver. XM NavTraffic
is a subscription service provided via XM Satellite Radio. XM NavTraffic provides
real-time traffic information fu ...
Customer Assistance
Offices (U.S. and Canada)
Cadillac encourages customers
to call the toll-free number for
assistance. However, if a customer
wishes to write or e-mail Cadillac,
the letter should be addressed to:
United States
Cadilla ...
Cadillac Premium Care Maintenance
the Cadillac Premium Care Maintenance. It is a maintenance program that
covers select maintenance services during the first 4 years or 80 000 km
(50,000 mi), whichever comes first.
Cadillac Premi ...