Trailer Driving Assist*

If equipped

TDA (Trailer Drive Assist) is a system that adjusts certain driver assist settings to support towing functionality.

There are limitations to this system. Do not overly rely on the system. The driver is solely responsible for paying attention to the vehicle’s surroundings and driving safely.

For the correct trailer towing procedure: see Trailer towing.

Restricted functions when the TDA (Trailer Driving Assist) is used

When the TDA is operating, each function is limited as follows:


Function	Status
PCS (Pre-Collision System) (PCS (Pre-Collision System))	^*1
LTA (Lane Tracing Assist) (LTA (Lane Tracing Assist))	^{*1, 2}
LCA (Lane Change Assist) ^4 (LCA (Lane Change Assist))
LDA (Lane Departure Alert) (LDA (Lane Departure Alert))	^*3
PDA (Proactive Driving Assist) (PDA (Proactive Driving Assist))
Dynamic radar cruise control (Dynamic radar cruise control)	O
Traffic Jam Assist^4 (Traffic Jam Assist)
Emergency Driving Stop System (Emergency Driving Stop System)	O
Parking Assist-Sensor^4 (Parking Assist-Sensor)	^*1
PKSB (Parking Support Brake)^4 (PKSB (Parking Support Brake))
Advanced Park^4 (Toyota Teammate Advanced Park)
RCD (Rear Camera Detection)^4 (RCD (Rear Camera Detection))
RCTA (Rear Cross Traffic Alert) (RCTA (Rear Cross Traffic Alert) function)
BSM (Blind Spot Monitor) (BSM (Blind Spot Monitor))	^*1
TMW (Trailer Merge Warning) (Trailer Merge Warning (TMW) (if equipped))	O

Definition of symbols:

O = Available,

= Not available

^*1

Partially unavailable

^*2

LTA is available with a trailer, and will be canceled or suppressed if trailer sway is detected.

^*3

LDA is available with a trailer, and will be canceled or suppressed if trailer sway is detected.

^*4

If equipped

Changing the TDA (Trailer Driving Assist)

The TDA (Trailer Driving Assist) can be enabled/disabled through a customize setting. (Customizable features)

Note:

Operating Conditions

Operates when any of the following conditions are met:

When BSM (Blind Spot Monitor) (BSM (Blind Spot Monitor)) or rear camera detects a connected trailer

A message is displayed on the multi-information display when a trailer is detected.

Enable the function according to the instruction on the multi-information display.

Confirm that trailer is connected in Trailer Screen on the multi-information display.

Auto Trailer Detection (ATD)

Auto Trailer Detection (ATD) can detect if a trailer is attached by using Blind Spot Monitor (BSM) or rear camera.

Other types of trailers can be detected using the BSM sensors or rear camera.

ATD function is treggered at every power switch on/off cycle, or the parking brake is set and shift lever is in P or N for more than 60 seconds.

Trailer detection via BSM sensors may be delayed if the vehicle is in a crowded environment such as busy parking lot, area surrounded with trees (camping ground) or in an environment with objects in the immediate environment that prevent sensors from sufficiently detecting the trailer.

Trailer detection via rear camera may be delayed or degraded if the rear camera is obstructed. (Mud, dirt, dust, ice, stickers, etc. can all cause obstructions)

When user is asked if a trailer is connected via multi-information display. The user is responsible for answering “ YES” if trailer is connected. Or “ NO” if trailer is not connected.

User is responsible to confirm that trailer is connected. Vehicle information display in Trailer Mode (Multi-information display).

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.