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 InformationDinghy Towing (with Automatic Transmission)
Caution
If the vehicle is towed with all four wheels on the ground, the
drivetrain components could be damaged. The repairs would not be covered by the
vehicle warranty. Do not tow the vehicle with all four wheels on the ground.
Vehicles with an automatic transmission should not be towed w ...
Lower Anchor and Top Tether Anchor Locations
(Top Tether Anchor): Seating positions
with top tether anchors.
(Lower Anchor): Seating positions
with two lower anchors.
To assist in locating the lower
anchors, each seating position with lower anchors has two labels, near the crease
between the seatback and the seat cushion.
To a ...
Replacing Safety Belt System Parts after a Crash
Warning
A crash can damage the safety belt system in the vehicle.
A damaged safety belt system may not properly protect the person using it, resulting
in serious injury or even death in a crash. To help make sure the safety belt systems
are working properly after a crash, have them inspected a ...