DRIVING AND OPERATING 231{ WarningFAB is an emergency crashpreparation feature and is notdesigned to avoid crashes. Do notrely on FAB to brake the vehicle.FAB will not brake outside of itsoperating speed range and onlyresponds to detected vehicles.FAB may not:. Detect a vehicle ahead onwinding or hilly roads.. Detect all vehicles, especiallyvehicles with a trailer,tractors, muddy vehicles, etc.. Detect a vehicle whenweather limits visibility, suchas in fog, rain, or snow.. Detect a vehicle ahead if it ispartially blocked bypedestrians or other objects.Complete attention is alwaysrequired while driving, and youshould be ready to take action andapply the brakes and/or steer thevehicle to avoid crashes.FAB may slow the vehicle to acomplete stop to try to avoid apotential crash. If this happens, FABmay engage the Electric Parking Brake(EPB) to hold the vehicle at a stop.Release the EPB or firmly press theaccelerator pedal.{ WarningFAB may automatically brake thevehicle suddenly in situationswhere it is unexpected andundesired. It could respond to aturning vehicle ahead, guardrails,signs, and other non-movingobjects. To override FAB, firmlypress the accelerator pedal, if it issafe to do so.Intelligent Brake Assist (IBA)IBA may activate when the brakepedal is applied quickly by providing aboost to braking based on the speedof approach and distance to a vehicleahead.Minor brake pedal pulsations or pedalmovement during this time is normaland the brake pedal should continueto be applied as needed. IBA willautomatically disengage only whenthe brake pedal is released.{ WarningIBA may increase vehicle braking insituations when it may not benecessary. You could block the flowof traffic. If this occurs, take yourfoot off the brake pedal and thenapply the brakes as needed.FAB and IBA can be disabled throughvehicle personalisation. See “Collision/Detection Systems” under VehiclePersonalisation 0 150.{ WarningUsing FAB or IBA while towing atrailer could cause you to losecontrol of the vehicle and crash.Turn the system to Alert, or if thevehicle has ACC to Off, whentowing a trailer.
