2006 GMC Envoy Owner's Manual - Page 131

Universal Home Remote System If your vehicle has the Universal Home Remote Transmitter, it complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference. 2. This device must accept any interference received, including interference that may cause undesired operation. This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference received, including interference that may cause undesired operation of the device. The Universal Home Remote System, a combined universal transmitter and receiver, provides a way to replace up to three hand-held transmitters used to activate devices such as gate operators, garage door openers, entry door locks, security systems, and home lighting. Changes and modifications to this system by other than an authorized service facility could void authorization to use this equipment. 2-51