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 InformationEngine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and
displays %CHANGE DIC message when it
is necessary to change the engine oil and filter.
The oil life system should be reset to 100% only following an oil change.
Resetting the Oil Life System
Display %on the DI ...
Buying New Tires
GM has developed and matched specific tires for the vehicle. The original equipment
tires installed were designed to meet General Motors Tire Performance Criteria Specification
(TPC Spec) system rating. When replacement tires are needed, GM strongly recommends
buying tires with the same TPC Sp ...
Airbag System
The vehicle has the following airbags:
A frontal airbag for the driver.
A frontal airbag for the front outboard passenger.
A knee airbag for the driver.
A knee airbag for the front outboard passenger
A seat-mounted side impact airbag for the driver.
A seat-mounted side impact airbag fo ...