1994 GMC Safari Owner's Manual - Page 210

Place the ratchet and socket on the wheel nut with the center cap on. To remove the hubcap from the brushed aluminum wheel,fit the flat end of the extension into the notch andpop the hubcap off. With DOWN facing you, use the ratchet and socket to loosen all the wheel nuts. Don't remove them yet. A. 6.5 in. (16.5 cm) B. 12.0 in. (30.0 cm) Position jack under the vehicle. 5-26