Toyota
Toyota Land Cruiser
 Owners Manual
When driving Using other driving systems
Crawl Control (with Turn Assist function)

Allows travel on extremely rough off-road surfaces at a fixed low speed without pressing the accelerator or brake pedal. Minimizes loss of traction or vehicle slip when driving on slippery road surfaces, allowing for stable driving.

  •  Crawl Control switch

  1. ON/OFF switch
  2. Speed selection switch
  3. Indicators

The Crawl Control indicator is lit and the slip indicator flashes when operating.

  1. Multi-information display

The operating status and speed select status of the Crawl Control are shown on the multi-information display.

  • Speed modes

The following table shows

The following table shows some typical terrains and the recommended speed modes.

  • Turn Assist function

This function assists cornering performance in accordance with steering operation when driving through a tight corner. It maintains vehicle speed while driving and reduces the number of turns needed to navigate a corner that requires turning the wheel in the opposite direction.

Press the Turn Assist switch

Press the Turn Assist switch while Crawl Control is operating.

Turn Assist indicator will come on.

To turn the system off, press the switch again.

When the system is turned off

  • Crawl Control

Press the ON/OFF switch while Crawl Control is operating. If the switch is turned off, the slip indicator and the Turn Assist indicator will go off (if the Turn Assist function is in use), the Crawl Control indicator will flash until the system has turned off completely, and a message stating that Crawl Control has been turned off will be displayed on the multi-information display for several seconds.

When turning off Crawl Control while driving, stop the vehicle before the Crawl Control indicator turns off, or drive extremely carefully.

  • Turn Assist function

Press the Turn Assist switch while the Turn Assist function is operating.

When the switch is pressed, the Turn Assist indicator will go off, and a message stating that the Turn Assist function has been turned off will be displayed on the multi-information display for several seconds.

  • The Crawl Control and Turn Assist function can be operated when

Crawl Control

  • The engine is running.
  • The shift lever is in any gear other than P or N.
  • The four-wheel drive control switch is in L4.
  • The drivers door is closed.

Turn Assist function

  • Crawl Control is operating.
  • The center differential is not locked.
  • The accelerator and brake are not being operated.
  • The shift lever is in any gear other than P, R or N.
  • The steering wheel is turned very far.
  • Automatic system cancelation

  • Crawl Control

In the following situations, the buzzer will sound intermittently and Crawl Control will be canceled automatically. In this event, the Crawl Control indicator will flash and then go off, the Turn Assist indicator will go off (if the Turn Assist function is in use), and a message stating that Crawl Control has been turned off will be displayed on the multi-information display for several seconds.

  • When the shift lever is moved to P or N.
  • When the four-wheel drive control switch is in H4.
  • When the drivers door is opened.

Turn Assist function

When the center differential is locked, the buzzer will sound intermittently and the Turn Assist function will be canceled automatically. In this event, the Turn Assist indicator will go off, and a message stating that the Turn Assist function has been turned off will be displayed on the multi-information display for several seconds.

  • Function limitations

Crawl Control

  • In the following situations, brake control can be used to drive downhill at a constant speed. However, engine control is not available when driving uphill at a constant speed.
  • When switched to second start mode.
  • In the following situation, engine control and brake control will stop temporarily.

    In this event, the Crawl Control indicator will flash.

  •  When the vehicle speed exceeds approximately 15 mph (25 km/h).

Turn Assist function

In the following situations, the Turn Assist function will stop temporarily. In this event, the Turn Assist indicator will flash.

  • When the vehicle speed exceeds approximately 6 mph (10km/h).
  • When the shift lever is moved to R.
  • When the Crawl Control system is operated continuously

  • If Crawl Control is used continuously for a long time, the buzzer will sound, a malfunction notification will be displayed on the multi-information display, the Crawl Control indicator will go off, and Crawl Control will be temporarily inoperable as a result of the brake system overheating. In this event, stop the vehicle immediately in a safe place, and allow the brake system to cool down sufficiently until the TRAC OFF on the multiinformation display goes off. (In the meantime, normal driving is possible.)
  • If Crawl Control is used continuously for a long time, the buzzer will sound, the system will be temporarily canceled, and a malfunction notification will be displayed on the multi-information display as a result of the automatic transmission system overheating. Stop the vehicle in a safe place until the display goes off.
  • Sounds and vibrations caused by the Crawl Control system

  • A sound may be heard from the engine compartment when the engine is started or just after the vehicle begins to move. This sound does not indicate that a malfunction has occurred in Crawl Control system.
  • Either of the following conditions may occur when the Crawl Control system is operating. None of these are indicators that a malfunction has occurred.
  •  Vibrations may be felt through the vehicle body and steering.
  •  A motor sound may be heard after the vehicle comes to a stop.
  • When there is a malfunction in the system

Warning lights and/or warning messages will turn on. (, 619)

CAUTION

  • When using Crawl Control and Turn Assist function

Do not rely solely on the Crawl Control and Turn Assist function. This function does not extend the vehicles performance limitations. Always thoroughly check the road conditions, and drive safely.

  • These conditions may cause the system not to operate properly

When driving on the following surfaces, the system may not be able to maintain a fixed low speed, which may result in an accident:

  • Extremely steep inclines.
  • Extremely uneven surfaces.
  • Snow-covered roads, or other slippery surfaces

 

NOTICE

  • When using Turn Assist function

The Turn Assist function is a function to assist turning performance when driving off road. The function may be less effective on paved road surfaces.

    More about Using other driving systems:

    Cruise control

    Dynamic radar cruise control

    Intuitive parking assist

    Four-wheel drive system

    Crawl Control (with Turn Assist function)

    Multi-terrain Select

    Multi-terrain Monitor

    Driving assist systems

    Pre-Collision System

    Toyota Land Cruiser Owners Manual / When driving / Using other driving systems / Crawl Control (with Turn Assist function)

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