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.
General Information
Your vehicle is an important investment. This section describes the required
maintenance for the vehicle. Follow this schedule to help protect against major
repair expenses resulting from neglect or inadequate maintenance. It may also help
to maintain the value of the vehicle if it is sold. It ...
Head Restraint Removal and Reinstallation
The rear outboard head restraints can be removed if they interfere with the proper
installation of the child restraint.
To remove the head restraint:
Partially fold the seatback forward. See Rear Seats on page 3-8 for additional
information.
Press both buttons on the head restrai ...
Using the Preset Buttons
Up to seven favorites pages can be saved, and each page can store up to five
channels.
To change a preset button, tune to the new desired channel and hold the button.
Listening to Preset Channels
Continue pressing or
to select the desired favorites
page.
Press the preset button ...