1998 GMC Safari Owner's Manual - Page 114

Horn To sound the horn, press the horn symbols the on steering wheel. It can be dangerous drive with the rear to swing-out windows,rear hatch or rear doors open becausecarbon monoxide (CO)gas can come into your vehicle. You can't see smell or CO. It can cause unconsciousnessand even death. If you must drive with therear swing-out windows, rear hatch or rear doors open or if electrical wiring other cable connections must or pass through the seal between the body the and rear swing-out windows,rear hatch or rear doors: Make sure all windows are shut. Thrn the fan on your heatingor cooling system to its highest speed with setting the on anythingbut MAX NC. That will force outside air into your vehicle. See "Comfort Controls" in the Index. If you have air outlets onor under the instrument panel, open them all way. the See "Engine Exhaust" in Index. the Tilt Wheel(If Equipped) A tilt steering wheel allows to adjust the steering you wheel before you drive. You can also raise it to the highest level to give your legs more room when you and enter the vehicle. exit To tilt the wheel, hold the steering wheel and pull the lever. Move the steering wheel a comfortable level, to then release the lever lock the wheel in place. to 2-30