Ford 2003 U137 Excursion Owner's Manual page 182

Roadside Emergencies
If the vehicle is towed by other means or incorrectly, vehicle
damage may occur.
Ford Motor Company produces a towing manual for all authorized tow
truck operators. Have your tow truck operator refer to this manual for
proper hook-up and towing procedures for your vehicle.
182
2003 U137 Excursion (hdw)
Owners Guide (post-2002-fmt)
USA English (fus)