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:
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 ...
Roadside Service
(Mexico)
As a new owner, your vehicle is
automatically enrolled in the
Roadside Assistance program.
The services are available at no
cost under the terms and conditions
of the program. The Roadside
...
Treadwear
The treadwear grade is a
comparative rating based on the
wear rate of the tire when tested
under controlled conditions on
a specified government test
course. For example, a tire
graded 150 ...