Rear Window Lockout
The rear window lockout feature prevents the rear passenger windows from operating, except from the driver position.
Press 
to activate the rear window lockout switch. The LED light comes on when activated.
Press again to deactivate the lockout switch.
See also:
Maintenance Records
After the scheduled services are performed, record the date, odometer
reading, who performed the service, and the type of services performed in the boxes provided. Retain all maintenance
receipts. ...
Hoses
Hoses transport fluids and should be regularly inspected to ensure that there are no cracks or leaks.
With a multi-point inspection, your dealer can inspect the hoses and advise if replacement is nee ...
Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...