REV Ambulance Group Orlando, INC (REV) is recalling certain model year 2016-2017 Marque Type III, Road Rescue Type I, Road Rescue Type III, Wheeled Coach Type I, Wheeled Coach Type III, Frontline Type I, Frontline Type III, McCoy Miller Type I, and McCoy Miller Type III ambulances manufactured January 1, 2016, to September 30, 2016. Due to a problem with the seat tracks, the attendant seat(s) on the affected vehicles may unexpectedly move in a rapid deceleration event such as a crash.