All-wheel drive lock mode can be used when a large amount of drive power needs to be applied to all the wheels, such as when the vehicle gets stuck in mud and you need to free it.
Press the switch.
The torque of the engine is distributed to the rear wheels to the maximum extent possible in accordance with driving conditions.
Pressing the switch again cancels all-wheel drive lock mode and returns the dynamic torque control awd system to normal mode.

All-wheel drive lock mode can be operated when
All-wheel drive lock mode
Things you should know
Driving assist systemsIf you think something
is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact your toyota dealer as
soon as possible.
Visible symptoms
Fluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
Flat-looking tires or unev ...