Toyota 4Runner 2020, Owner'S Manual

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4-5. Using the driving support systems
4RUNNER (U)
WARNING
■
To avoid an accident
●
Do not use the rear differential lock system except when wheel spinning
occurs in a ditch or on a slippery or rugged surface. Large steering effort
and careful cornering control will be required.
●
Do not lock the rear differential until the wheels have stopped spinning.
Otherwise, the vehicle may move in an unexpected direction when the dif-
ferential lock is engaged, resulting in an accident. This may also lead to
possible damage to rear differential lock component parts.
●
Do not drive over 5 mph (8 km/h) when the rear differential is locked.
●
Do not keep driving with the rear differential lock switch on.