2011 Ford F450 Super Duty Crew Cab Owner Guide 4th Printing - Page 328

Roadside Emergencies • Try to repair the dissimilar spare tire Use of one of the dissimilar spare tires listed above at any one wheel location can lead to impairment of the following: • Handling, stability and braking performance • Comfort and noise • Ground clearance and parking at curbs • Winter weather driving capability • Wet weather driving capability It is not recommended that the vehicle be operated in 4WD modes with a temporary emergency spare tire. If 4WD operation is necessary, do not operate above speeds of 10 mph (16 km/h) or for distances above 50 miles (80 km). 3. Full-size dissimilar spare without label on wheel When driving with the full-size dissimilar spare tire/wheel, do not: • Exceed 70 mph (113 km/h) • Use more than one dissimilar spare tire/wheel at a time • Use commercial car washing equipment • Use snow chains on the end of the vehicle with the dissimilar spare tire/wheel The usage of a full-size dissimilar spare tire/wheel can lead to impairment of the following: • Handling, stability and braking performance • Comfort and noise • Ground clearance and parking at curbs • Winter weather driving capability • Wet weather driving capability • All-Wheel driving capability (if applicable) • Load leveling adjustment (if applicable) When driving with the full-size dissimilar spare tire/wheel additional caution should be given to: • Towing a trailer • Driving vehicles equipped with a camper body • Driving vehicles with a load on the cargo rack 328 2011 F-250/350/450/550 (f23) Owners Guide, 4th Printing USA (fus)