2011 Ford F450 Super Duty Crew Cab Owner Guide 4th Printing - Page 258

2011 Ford F450 Super Duty Crew Cab Manual

Page 258 highlights

Tires, Wheels and Loading • The TBC is equipped with a feature which reduces output at vehicle speeds below 11 mph (18 km/h) so trailer and vehicle braking is not jerky or harsh. This feature is only available when applying the brakes using the vehicle's brake pedal, not the TBC. • The TBC interacts with the brake system of the vehicle, including ABS, in order to reduce the likelihood of trailer wheel lock-up; therefore, if these systems are not functioning properly, the TBC may not function at full performance. • Your vehicle's brake system and the trailer brake system work independently of each other; changing the GAIN setting on the TBC does not affect the operation of your vehicle's brakes whether a trailer is attached or not. • When the vehicle is turned off, the TBC output is disabled and the display is shut down; turning the ignition from off to on awakens the TBC module. • The TBC is only a factory- or dealer-installed item; Ford is not responsible for warranty or performance of the TBC due to misuse or customer installation. • Do not attempt removal of the TBC without consulting the Workshop Manual; damage to the unit may result. Trailer lamps Trailer lamps are required on most towed vehicles. Make sure all running lights, brake lights, turn signals and hazard lights are working. Contact your authorized dealer or trailer rental agency for proper instructions and equipment for hooking-up trailer lamps. Driving while you tow When towing a trailer: • Consult your local motor vehicle laws for towing a trailer. • Do not drive faster than 70 mph (113 km/h) during the first 500 miles (800 km) of trailer towing and don't make full-throttle starts. • Turn off the speed control. The speed control may shut off automatically when you are towing on long, steep grades. • Activate the tow/haul feature to eliminate excessive transmission shifting and assist in transmission cooling. For additional information, refer to Automatic transmission operation in the Driving chapter. • Allow more distance for stopping with a trailer attached; anticipate stops and brake gradually. 258 2011 F-250/350/450/550 (f23) Owners Guide, 4th Printing USA (fus)

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The TBC is equipped with a feature which reduces output at vehicle
speeds below 11 mph (18 km/h) so trailer and vehicle braking is not
jerky or harsh. This feature is only available when applying the brakes
using the vehicle’s brake pedal, not the TBC.
The TBC interacts with the brake system of the vehicle, including
ABS, in order to reduce the likelihood of trailer wheel lock-up;
therefore, if these systems are not functioning properly, the TBC may
not function at full performance.
Your vehicle’s brake system and the trailer brake system work
independently of each other; changing the GAIN setting on the TBC
does not affect the operation of your vehicle’s brakes whether a trailer
is attached or not.
When the vehicle is turned off, the TBC output is disabled and the
display is shut down; turning the ignition from off to on awakens the
TBC module.
The TBC is only a factory- or dealer-installed item; Ford is not
responsible for warranty or performance of the TBC due to misuse or
customer installation.
Do not attempt removal of the TBC without consulting the
Workshop Manual; damage to the unit may result.
Trailer lamps
Trailer lamps are required on most towed vehicles. Make sure all running
lights, brake lights, turn signals and hazard lights are working. Contact
your authorized dealer or trailer rental agency for proper instructions
and equipment for hooking-up trailer lamps.
Driving while you tow
When towing a trailer:
Consult your local motor vehicle laws for towing a trailer.
Do not drive faster than 70 mph (113 km/h) during the first 500 miles
(800 km) of trailer towing and don’t make full-throttle starts.
Turn off the speed control. The speed control may shut off
automatically when you are towing on long, steep grades.
Activate the tow/haul feature to eliminate excessive transmission
shifting and assist in transmission cooling. For additional information,
refer to
Automatic transmission operation
in the
Driving
chapter.
Allow more distance for stopping with a trailer attached; anticipate
stops and brake gradually.
Tires, Wheels and Loading
258
2011 F-250/350/450/550
(f23)
Owners Guide, 4th Printing
USA
(fus)