1998 GMC Safari Owner's Manual - Page 234

Towing From the Rear (All-Wheel Drive) A towing dolly must be used under the wheels front when towing from the reai: NOTICE: Do not tow with sling-type equipment the m r or a bumper system wilI be damaged. Use wheel-lift or car-carrier equipment. Additionalramping may be required fur c w a r r i e r equipen#.Use safety chains and wheel straps. Tawing 8 vehicle over rough surfaces could damage a vehicle. D m q e can occur from vehicle to ground or vehicle to wheel-lift eqa€pment. To help avdd damage, a towing dolly and raise the vehicle until adequate dearanceif obtaisled betweenthe ground and/or wheel-li€t equipment. . i n s t a l l 5-12