1998 GMC Suburban Owner's Manual - Page 261

Rear Towing Two- Wheel-Drive Vehicles Torr: Limits -- 55 ~ n p h 8 8 k111/11) or- legul speed limit, ( c l i s t c r t l c r is lrlllimitecl If your vehicle is two-wheel drive, use the following directions: 1. Engage the parking brake. 7 -. Turn the ignition key to OFF. 3. Clamp the steering wheel in a straight-ahead position with a clamping device designed for towing service. (Do not use the vehicle's steering column lock for this.) 4. Place the transmission i n PARK (P). 5 . When the vehicle is hooked up. release the parking brake. 5-11