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 InformationTire Pressure Monitor Operation
This vehicle may have a Tire Pressure Monitor System (TPMS).
The TPMS is designed to warn the driver when a low tire pressure condition exists.
TPMS sensors are mounted onto each tire and wheel assembly, excluding the spare
tire and wheel assembly. The TPMS sensors monitor the air pressure in t ...
Top Tether Anchor
A top tether (3, 4) anchors the top of the child restraint to the vehicle.
A top tether anchor is built into the vehicle. The top tether attachment (2)
on the child restraint connects to the top tether anchor in the vehicle in order
to reduce the forward movement and rotation of the child r ...
Daytime Running Lamps (DRL)
DRL can make it easier for others to see the front of your vehicle during the
day. Fully functional DRL are required on all vehicles first sold in Canada.
The DRL system makes the headlamps come on when the following conditions are
met:
The ignition is on.
The exterior lamp control is in ...