Multi-Band Antenna
The antenna located on the roof of the vehicle is used for the OnStar, XM Satellite Radio Service System, and GPS (Global Positioning System), if the vehicle has these features. Keep the antenna clear of obstructions for clear reception.
If the vehicle has a sunroof and it is open, the performance of OnStar, XM, and GPS can be affected.
See also:
Airbag System Messages
SERVICE AIR BAG
This message displays if there is a problem with the airbag system. Have your
dealer inspect the system for problems. See Airbag Readiness Light
and Airbag System  ...
Under the Hood
Like the regular all-wheel-drive Escalade and the Escalade ESV, the Escalade
EXT uses a 6.0-liter V-8 that produces 345 horsepower and 380 pounds-feet of
torque. The engine teams with a four-speed ...
Checking Engine Oil
It is a good idea to check the
engine oil level at each fuel fill.
In order to get an accurate reading,
the vehicle must be on level
ground. The engine oil dipstick
handle is a yellow loop. S ...






