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4-5. Using the driving support systems
Stop & Start system
*
: If equipped
The Stop & Start system stops and
restarts the engine according to the
brake pedal operations.
■
Operating conditions
The Stop & Start system is operational
●
when all of the following conditions are
met:
• The engine is adequately warmed up.
• The battery is sufficiently charged.
• The driver's door is closed.
• The driver's seat belt is fastened.
• The hood is closed.
• The accelerator pedal is not being
depressed.
• The shift lever is in D or M.
• When the outside temperature is -5 °C
(23 °F) or higher
• When the steering wheel is not being
operated
• When the brake pedal is being
depressed firmly
• The brake pedal is being depressed
firmly. (Except when the vehicle comes to
a controlled stop while driving with the
dynamic radar cruise control with full-
speed range in vehicle-to-vehicle dis-
tance control mode [if equipped])
•
is off.
●
In the following circumstances the engine
may not be stopped by the Stop & Start
system. This is not a malfunction of the
Stop & Start system.
• Engine coolant temperature or transmis-
sion fluid temperature is too low or too
high.
• The air conditioning system is being used
when the vehicle interior temperature is
extremely high, such as after the vehicle
was parked under the hot sun.
• The battery is undergoing a periodic
recharge.
• The battery is not sufficiently charged,
such as if the vehicle has been parked for
LEXUS NX300/NX200 Owners Manual̲General̲M78540̲en
a long time and the battery charge has
*
decreased, the electric load is large, the
battery fluid temperature is excessively
low or the battery has deteriorated.
• Due to traffic or other circumstances the
vehicle is stopped repeatedly, resulting in
the amount of time the engine is stopped
by the Stop & Start system to become
excessively high.
• The brake pedal is not depressed firmly.
• The vehicle is stopped on a steep hill.
• The brake booster vacuum is low.
• At high altitude.
• When the outside temperature is low
• When the steering wheel is being oper-
ated
• The driver's seat belt is not fastened.
• The driver's door is opened.
• The hood is opened.
• The battery fluid temperature is
extremely low or high.
• For a while after the battery terminals
have been disconnected and recon-
nected.
• For a while after the battery replacement.
●
In the following situations, the engine may
start even without the brake pedal being
released.
• The brake pedal is pumped or strongly
depressed.
• The air conditioning system is being used
or turned on.
• The battery is not sufficiently charged.
•
is on.
• The vehicle starts to roll on an incline.
• The accelerator pedal is depressed.
• The driver's door is opened.
• The driver's seat belt is unfastened.
• When the steering wheel is being oper-
ated.
• The shift lever is shifted to a position
other than D or M.
• The Stop & Start cancel switch is pressed.
Automatic reactivation of the Stop &
■
Start system
Even if the Stop & Start system is disabled
by the Stop & Start cancel switch, it will be
automatically re-enabled once the engine
switch is turned off, and then the engine is
started.
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