Examples Of Incorrect Use Of The Rear Differential Lock - Fiat Fullback Single cab Owner's Manual

Examples of incorrect use of the
rear differential lock
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230) 231)
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WARNING
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228) If the "4L" or "4H" position (Easy
select 4WD), "4LLc" or "4HLc" position
(Super select 4WD II) is selected along with
the rear differential lock, the following
phenomena appear and it is very
dangerous. Please be sure to release the
rear differential lock on normal roads. If the
rear differential lock is used by mistake
when driving on a paved road: With the
rear differential lock on, the power to drive
the vehicle straight ahead becomes very
strong, which may make it difficult to turn
the steering wheel.
229) If the rear differential lock is used by
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mistake when turning a curve or making a
right or left turn at a crossing or the like:
The vehicle is unable to make a turn and
may go straight ahead.
230) If the rear differential lock is used by
mistake except when making an
emergency escape on snow or frozen
road: It becomes difficult to make a steady
turn.
231) In the case where the condition of the
road is different for the right tyre to drive
from the left tyre (such as one tyre on a
paved road and the other on ice), direction
of the vehicle may change abruptly when
engine braking or accelerating. Do not use
the rear differential lock except when
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making an emergency escape on a snow
or frozen road, but drive with 4WD.
IMPORTANT
137) Operate the rear differential switch
after the wheels are stopped. Operating the
switch with the wheels turning may cause
the vehicle to dart in unexpected directions.
138) If a problem is detected in the rear
differential lock system, a safety device will
activate. The rear differential lock indicator
lamp will blink rapidly (twice per second),
and the rear differential lock will deactivate.
Park your vehicle in a safe place, turn off
the engine for a few moments. Restart the
engine. It is safe to continue driving if the
lamps resume normal operation. If the rear
differential lock indicator lamp blinks when
the rear differential lock is reactivated, have
the vehicle checked by a Fiat Dealership as
soon as possible.
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