TDA (Trailer Driving Assist)^{* *}If equipped TDA (Trailer Driving Assist) is a system that adjusts certain driver assist settings to support towing functionality. It is recommended to use a genuine Toyota Trailer Brake Controller (TBC) (Trailer brake controller*) (if equipped) when towing. Towing without a genuine Toyota Trailer Brake Controller (TBC) (if equipped) increases the risk of vehicle/trailer instability. System functions When the TDA (Trailer Driving Assist) is operating, each function is limited as follows:

Function	Status
AHB (Automatic High Beam) (AHB (Automatic High Beam))	O
PCS (Pre-Collision System) (PCS (Pre-Collision System))	*1
LTA (Lane Tracing Assist) (LTA (Lane Tracing Assist))
LDA (Lane Departure Alert) (LDA (Lane Departure Alert))	O
PDA (Proactive driving assist)*2 (PDA (Proactive driving assist)*)
RSA (Road Sign Assist)*2 (RSA (Road Sign Assist)*)	O
Dynamic radar cruise control (Dynamic radar cruise control)	O
Emergency Driving Stop System*2 (Emergency Driving Stop System*)
Intuitive parking assist*2 (Intuitive parking assist*)	*1
PKSB (Parking Support Brake)*2 (PKSB (Parking Support Brake)*)
Parking Support Brake function (static objects)*2 (Parking Support Brake function (static objects front and rear of the vehicle)*)
RCD (Rear Camera Detection)*2 (RCD (Rear Camera Detection)*)
RCTA (Rear Cross Traffic Alert)*2 (RCTA (Rear Cross Traffic Alert))

Definition of symbols: O = Available, — = Not available ^*1Partially unavailable ^*2If equipped Note: Operating conditions Operates when any of the following conditions are met: When towing a trailer connected to a genuine Toyota Trailer Brake Controller (TBC) (Trailer brake controller*) (if equipped) When BSM (Blind Spot Monitor) (BSM (Blind Spot Monitor)) (if equipped) detects a connected trailer A message is displayed on the multi-information display when a trailer is detected. Enable the function according to the instructions on the multi-information display. PCS (Pre-Collision System) function The following functions are disabled when a trailer is detected. Moderate braking for pre-collision warning Acceleration suppression at low speed (vehicles with an automatic transmission) Emergency steering assist Intersection collision avoidance support (left/right turn) When towing a trailer This system has limitations. Do not overly rely on the system. It is the driver’s responsibility to always be aware of the surroundings and drive safely. Please check Trailer towing on how to tow a trailer properly. Warning: For safe use If the vehicle is being driven on a slippery surface such as an icy road or a very wet road, disable the system, as it may not operate properly, possibly leading to an accident resulting in death or serious injury.