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4-1. Before driving
When the following unusual operation
O If the electronically controlled brake
system does not operate, do not follow
other vehicles closely and avoid hills or
sharp turns that require braking.
In this case, braking is still possible, but
the brake pedal should be depressed
more firmly than usual. Also, the brak-
ing distance will increase. Have your
brakes fixed immediately.
O The brake system consists of 2 or
more individual hydraulic systems; if
one of the systems fails, the other(s)
will still operate. In this case, the brake
pedal should be depressed more
firmly than usual and the braking dis-
tance will increase. Have your brakes
fixed immediately.
Q When driving the vehicle
O Do not depress the accelerator and
brake pedals at the same time while
driving, as this may restrain the hybrid
system output.
O Do not use the accelerator pedal or
depress the accelerator and brake
pedals at the same time to hold the
vehicle on a hill.
Q Avoiding damage to vehicle parts
O Do not turn the steering wheel fully in
either direction and hold it there for an
extended period of time.
Doing so may damage the power
steering motor.
O When driving over bumps in the road,
drive as slowly as possible to avoid
damaging the wheels, underside of the
vehicle, etc.
Q If you get a flat tire while driving
A flat or damaged tire may cause the fol-
lowing situations. Hold the steering
wheel firmly and gradually depress the
brake pedal to slow down the vehicle.
O It may be difficult to control your vehi-
cle.
O The vehicle will make abnormal
sounds or vibrations.
O The vehicle will lean abnormally.
Information on what to do in case of a flat
tire (P.420, 432)
Q When encountering flooded roads
Do not drive on a road that has flooded
after heavy rain etc. Doing so may cause
the following serious damage to the vehi-
cle:
O Engine stalling
O Short in electrical components
O Engine damage caused by water
immersion
In the event that you drive on a flooded
road and the vehicle is flooded, be sure
to have any authorized Lexus retailer or
Lexus authorized repairer, or any reli-
able repairer check the following:
O Brake function
O Changes in quantity and quality of oil
and fluid used for the engine, hybrid
transmission, etc.
O Lubricant condition for the bearings
and suspension joints (where possi-
ble), and the function of all joints, bear-
ings, etc.
Q When parking the vehicle
Always set the parking brake, and shift
the shift lever to P. Failure to do so may
cause the vehicle to move or the vehicle
may accelerate suddenly if the accelera-
tor pedal is accidentally depressed.
Sudden start restraint control
(Drive-Start Control [DSC])
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