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:
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 ...
Steering
Hydraulic Power Steering
Your vehicle has hydraulic power steering. It may require maintenance. See
Power Steering Fluid.
If power steering assist is lost due to a system malfunction, the vehic ...
The Inside
If I had to drive forever in the Escalade's optional heated and cooled seats,
I don't think I could complain. Why every luxury car doesn't come with
ventilation is a mystery. On a hot hour-long ri ...






