1997 GMC Safari Owner's Manual - Page 109

Setting Cruise Control 3. Press in the SET button at the end of the lever A CAUTION: If you leave your cruise control switch on when you're not using cruise, you might hitbutton a and go into cruise when you don't want to. You could be startled and even lose control. Keep the cruise control switch OFF until you want to use it. I . Move the cruise control switch to ON. 4. Take your foot off the accelerator pedal. 2. Get up to the speed you want.