FORD 2013 Flex v.3 - Manual (Page 270)

If you tow your vehicle with all four wheels on the ground:
• Tow only in the forward direction.
• Release the parking brake.
• Place the transmission in position N.
• Do not exceed 65 mph (105 km/h).
• Start the engine and allow it to run for five minutes at the beginning
of each day and every six hours thereafter. With the engine running
and your foot on the brake, shift into position D and then into
position R before shifting back into position N.
Towing 269
2013 Flex (471)
Owners Guide gf, 3rd Printing, December 2012
USA (fus)