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 InformationDaytime 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 ...
Tire Pressure Monitor System
The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check
tire pressure levels. The TPMS sensors monitor the air pressure in your tires and
transmit tire pressure readings to a receiver located in the vehicle.
Each tire, including the spare (if provided), should be check ...
Securing a Child Restraint Designed for the LATCH System
Warning
If a LATCH-type child restraint is not attached to anchors or
with the safety belt, the child restraint will not be able to protect the child
correctly. In a crash, the child could be seriously injured or killed. Install a
LATCH-type child restraint properly using the anchors, or use ...