See also:

Maintenance When Trailer Towing
The vehicle needs service more often when pulling a trailer. See this manual's Maintenance Schedule or Index for more information. Things that are especially important in trailer operation are ...

Introduction
The names, logos, emblems, slogans, vehicle model names, and vehicle body designs appearing in this manual including, but not limited to, GM, the GM logo, GMC, the GMC Truck Emblem, and SIERRA are ...

Turning the System On and Off
The URPA system can be turned on and off using the rear park aid disable button located next to the radio. The indicator light comes on when the system is disabled and turns off when the system is ...