July 17th on highway going near highway speed of 65-70mph in congested heavier traffic, person merging from on ramp caused abrupt slow to stop and rear ended a F250 truck causing MAJOR front end damage, couldnât get front doors open, frame bent, vehicle totalled with $22k or more in damages. Seatbelt locked and air bags NEVER deployed. Ford dealership and insurance company very very suprised that given impact, speed, etc airbags never went off. Also emergency braking system did give collision detection warning and then seemed to entirely take over braking as I attempted to brake very hard nothing seemed to be happening for brakes. Seemed crash could have been entirely avoided. Vehicle totalled and gone to salvage yard. Thank goodness no injury very badly bruised