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 systemsEngine (3MZ-FE)
INSPECTION
1. INSPECT ENGINE COOLANT (See page 16-20 )
2. INSPECT ENGINE OIL
3. INSPECT BATTERY (See page 19-36 )
4. INSPECT AIR CLEANER FILTER ELEMENT SUB-ASSY
5. INSPECT SPARK PLUG (See page 18-9 )
6. INSPECT V-RIBBED BELT
(a) Using a belt tension gauge, check the belt tension.
Belt te ...