Diagnostics

OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push OnStar Additional Information , and an Advisor can run a check.

    See also:

    First Engine Oil Change After Every 160 000 km/100,000 Miles
    • Automatic transmission fluid change (normal service). See Automatic Transmission Fluid . • Spark plug replacement. An Emission Control Service. ...

    Lockout Protection
    This feature stops the power door locks from locking when the key is in the ignition and a door is open to protect you from locking your key in the vehicle. If the power lock switch is pressed w ...

    MP3 Format
    There are guidelines that must be met, when creating an MP3 disc or the CD might not play. The guidelines are: • Sampling rate: 8 kHz, 16 kHz, 22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz, and 48 k ...