Uniform Tire Quality Grading

Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example:

See also:

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

Horn
Press on the steering wheel pad to sound the horn. ...

Trunk Release
To open the trunk, press on the center stack or on the Remote Keyless Entry (RKE) transmitter. For more information see: . Trunk . . Remote Keyless Entry (RKE) System Operation . ...