Horn
Pressa 
on the steering wheel pad
to sound the horn.
See also:
Inserting a Disc
Insert a disc partway into the top slot, label side up. The player pulls it in and the disc should begin playing. “Loading Disc” shows on the radio display. At the same time, the radio displays a ...
Safety and security
As with all vehicles built on GM's new full-size SUV platform, the '07 Yukon
family features a 360-degree safety system designed around the pillars of
occupant protection, driver control and perso ...
Range Selection Mode (Allison® Transmission or Hydra-Matic® 6-Speed
Transmission)
The vehicle may have a Range Selection Mode. The Range Selection Mode helps control the vehicle's transmission and vehicle speed while driving down hill or towing a trailer by letting you select a d ...