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2022 Ford Bronco Owners Manual - Trail Turn Assist Precautions



Trail Turn Assist Precautions

Note:   Do not use trail turn assist on dry, hard surfaced roads. Doing so can produce excessive noise, increase tire wear and may damage drive line, or braking components. Trail turn assist is only intended for slippery, or loose surfaces.

You may hear noise from the anti-lock brake system while trail turn assist is active. This is normal operation.

WHAT IS TRAIL TURN ASSIST

Trail turn assist can reduce the turning radius of your vehicle by applying the brakes to the inside rear wheel in low-speed, high steering-angle maneuvers.

TRAIL TURN ASSIST LIMITATIONS

You can only use trail turn assist when the system is in four-wheel drive high (4H), or four-wheel drive low (4L) mode.

You cannot use trail turn assist with the rear differential engaged. If the system detects that the rear differential has recently been engaged, it may not activate trail turn assist until it can confirm that the rear differential is disengaged.

If the vehicle’s rear differential is engaged when pressing the trail turn assist button, the rear differential will attempt to disengage to allow for trail turn assist operation.

SWITCHING TRAIL TURN ASSIST ON AND OFF

While in four-wheel drive high (4H) or four-wheel drive low (4L), press the trail turn assist button to turn the feature on. trail turn assist will be on at this time but will not activate until:

  • Vehicle speed is less than 19.3 km/h (12 mph).
  • Rear differential is fully unlocked.
  • Steering wheel is almost fully turned to the left or right.

You can turn off trail turn assist by doing any of the following:

  • Pressing the trail turn assist button again.
  • Selecting a two-wheel drive high (2H), or four-wheel drive auto (4A).
  • Turning on the rear locking differential.

TRAIL TURN ASSIST INDICATORS

Image Shown Without Description  Image Shown Without Description  When trail turn assist is on, one of these two indicators will be displayed, depending on the direction of the vehicle’s last turn. When the feature is available but not in use, the indicator will be gray. When the feature is active the indicator will be green.

TRAIL TURN ASSIST – INFORMATION MESSAGES

Message   Details  
Trail Turn Assist Available in 4L or 4H   Switch to four-wheel drive low (4L) or four-wheel drive high (4H) to activate trail turn assist.  See   Selecting a Four-Wheel Drive Mode - 4x4 with Part Time Engagement.   
Trail Turn Assist Not Available See Manual   Trail turn assist system malfunction could be present. If this condition persists, have your vehicle serviced.  
Trail Turn Assist ON   You have activated trail turn assist.  
Trail Turn Assist OFF   You have switched trail turn assist off.  

TRAIL TURN ASSIST – FREQUENTLY ASKED QUESTIONS

Why does Trail Turn Assist not activate after unlocking the rear differential?The rear differential may not be fully disengaged. When possible, turn off the rear axle locker while driving straight before using trail turn assist. If you are already in a tight turn when you encounter this situation, driving the vehicle for a short distance in reverse could allow the differential to fully disengage.