2007 GMC Yukon Owner's Manual - Page 169

OnStar® Steering Wheel Controls Your vehicle may be equipped with a Talk/Mute button that can be used to interact with OnStar®. Universal Home Remote System Universal Home Remote System See Audio Steering Wheel Controls on page 334 for more information. When calling into voice mail systems or to dial directory numbers, press this button once, wait for the response, say the number(s) to be dialed, wait for the number(s) to be repeated and then say "dial." See the OnStar® Owner's guide for more information. 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. 169