Trail control is unavailable when any of the following occur:
- Your vehicle speed is greater than
20 mph (32 km/h) in two-wheel drive high (2H) or four-wheel drive high (4H) modes.
- Your vehicle speed is greater than
9 mph (15 km/h) in four-wheel drive low (4L) mode.
- Your vehicle speed is greater than
5 mph (8 km/h) in reverse (R).
- The transmission is in park (P).
- The driver side door is open or your seatbelt is off when the driver side door is removed.
- Cruise control is on.
- Pro trailer backup assist is on.
- The parking brake is applied.