Lexus LX 570 Owner's Manual page 337

336
4-5. Using the driving support systems
If the engine coolant temperature is too low, the four-wheel drive control system may
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not be able to shift. When the engine is warmer operate the switch again.
If the low speed four-wheel drive indicator light or the center differential lock indicator
light continues to blink even after attempting the above, there may be a malfunction in
the engine, the brake system or the four-wheel drive system. In this case, you may not be
able to shift between H4 and L4, and the center differential lock may not be operable.
Have the vehicle inspected by your Lexus dealer immediately.
WARNING
While driving
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Never move the four-wheel drive control switch if the wheels have lost traction. Doing
so may cause an accident resulting in death or serious injury.
When the vehicle is parked
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If the shift lever is moved before the low speed four-wheel drive indicator turns on/off,
the transfer mode may not be shifted completely. The transfer mode disengages both
the front and rear driveshafts from the powertrain and allows the vehicle to move
regardless of the shift position. (At this time, the indicator blinks and the buzzer
sounds.)
Therefore, the vehicle is free to roll even if the automatic transmission is in P. You or
someone else could be seriously injured. You must complete the shifting of the transfer
mode.
NOTICE
To prevent damage to the center differential
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For normal driving on dry and hard surface roads, unlock the center differential.
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Unlock the center differential after the wheels are out of the ditch or off the slippery
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or bumpy surface.
Do not push the center differential lock/unlock switch when the vehicle is turning or
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when its wheels are spinning freely off the ground.
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