Lexus LX 570 Owner's Manual page 336

The four-wheel drive control switch can be operated when
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The engine switch is in IGNITION ON mode.
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The shift lever is in the N position.
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The vehicle is stopped completely.
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The low speed four-wheel drive indicator
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The indicator blinks while switching between H4 and L4.
Advice for driving on slippery roads
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If you shift the four-wheel drive control switch to L4 and the shift lever to the 2 range of
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S or D (vehicles with paddle shift switches) while driving in steep off-road areas, the
output of the brake can be controlled effectively by the Active TRC, which assists the
driver to control the driving power of 4 wheels.
Use the 1 range of S or D (vehicles with paddle shift switches) for maximum power and
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traction when your wheels get stuck or when driving down a steep incline.
The center differential lock indicator light
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The indicator light blinks while locking/unlocking the center differential.
The center differential lock/unlock switch can be operated when
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The engine switch is in IGNITION ON mode.
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The vehicle speed is less than 100 km/h (62 mph).
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Locking/unlocking the center differential
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When the four-wheel drive control switch is in L4 with the center differential locked,
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VSC is automatically turned off. (The center differential lock and VSC OFF indicator
lights come on.)
If the operation is not completed, the center differential lock indicator blinks. If the indi-
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cator light does not turn off when unlocking the center differential, drive straight ahead
while accelerating or decelerating, or drive in reverse.
If the center differential lock/unlock is not completed within 5 seconds while the cruise
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control system is on, cancel the cruise control system.
If the low speed four-wheel drive indicator light or the center differential lock indicator
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light blinks
If the low speed four-wheel drive indicator light continues to blink when using the four-
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wheel drive control switch, stop the vehicle completely, move the shift lever to N and
operate the switch again.
If the shift lever is moved before the low speed four-wheel drive indicator turns on/off,
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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.
To complete the shifting, stop the vehicle completely, return the shift lever to N, and
confirm that the shift was completed (the indicator turns on/off).
LX570_450d_OM_OM60R63E_(GE)
4-5. Using the driving support systems
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