Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if the
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push 
, and
an Advisor can run a check.
See also:
Keyless Unlocking
With the keyless access transmitter
within 1m (3 ft), approach the front
door and pull the handle to unlock
and open the door. On some
models there is a touch sensor on
the door handle. If t ...
Interior Lighting
Reading Lamps
The reading lamps are located on
the overhead console. These lamps
come on automatically when any
door is opened.
For manual operation, press the
button next to each lamp to tu ...
Exterior
The ATS' narrower headlights represent the closest interpretation yet of the
slit-like lamps on Cadillac's Ciel and Converj concepts shown in 2011 and 2009,
respectively. The protruding nose with ...