2004 GMC Envoy Owner's Manual - Page 127

Horn To sound the horn, press the horn symbols on the steering wheel pad. Turn Signal/Multifunction Lever Tilt Wheel You should adjust the steering wheel before you drive. The tilt lever is located to the left of the steering column, under the turn signal lever. The lever on the left side of the steering column includes the following: You can raise it to the highest level to give your legs more room when you enter and exit the vehicle. To tilt the wheel, hold the steering wheel and pull the lever toward you. Move the steering wheel to a comfortable level, then release the lever to lock the wheel in place. Do not adjust the steering wheel while driving. G Turn and Lane Change Signals 2 Headlamp High/Low-Beam Changer Flash-to-Pass Feature N Windshield Wipers J Windshield Washer I Cruise Control (If Equipped) 3-7