OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationExterior Lighting
The exterior lamp control is on the turn signal lever on the left side of the
steering column.
There are four positions:
Turns on the headlamps together with
the parking lamps and instrument panel lights.
Turns on the parking lamps including
all lamps, except the headlamps.
Turns the ...
Pictures and Movies (Movie System)
The infotainment system can play movie files stored on a USB storage device and
devices that support Media Transfer Protocol (MTP).
Movie System Information
Caution for Using Movie Files
Available resolution: Within 720 x 576 (W x H) pixels.
Frame rate: Less than 30 fps.
Playable movie f ...
Uniform Tire Quality Grading
The following information relates to the system developed by the United States
National Highway Traffic Safety Administration (NHTSA), which grades tires by treadwear,
traction, and temperature performance. This applies only to vehicles sold in the
United States. The grades are molded on the s ...