2017 LEXUS RX200T Owners Manual

3454-5. Using the driving support systems
4
Driving
RX350/RX200t_EE_OM48F32E
◆When the brake hold system is disabled
■Stopping the engine
While driving with the shift lever in D
or M, depress the brake pedal, and
stop the vehicle.
The Stop & Start indicator will come on.
■Restarting the engine
Release the brake pedal.
The Stop & Start indicator will turn off.
Stop & Start system
: If equipped
The Stop & Start system stops and restarts the engine according to the brake
pedal operation and other operations when the vehicle is stopped.
Stop & Start system operation

3464-5. Using the driving support systems
RX350/RX200t_EE_OM48F32E
◆When the brake hold system is enabled
The Stop & Start system is operational when the brake hold system is operat-
ing. (P. 263)
■Stopping the engine
While driving with the shift lever in D
or M, depress the brake pedal, and
stop the vehicle.
The Stop & Start indicator will come
on.
While the brake hold system is oper- ating, the brake hold operated indi-
cator (yellow) will come on. If the brake pedal is released, the enginewill remain stopped by the Stop &
Start system.
■Restarting the engine
Depress the accelerator pedal. (Releasing the brake pedal will not restart the
engine.)
The Stop & Start indicator and brake hold op erated indicator (yellow) will turn off.
■Stop & Start system operation when the brake hold system is operating
●If the engine is restarted automatically by the Stop & Start system when the
brake hold system is operating, the brake hold system will continue to apply
the brakes.
●If the operation conditions of the brake hold system are no longer met ( P.
263) while the engine is stopped by the Stop & Start system, the brake hold
system will stop operating.
At this time, the parking brake will be a pplied automatically and the engine will be restarted automatically.

3474-5. Using the driving support systems
4
Driving
RX350/RX200t_EE_OM48F32E
◆When the dynamic radar cruise control with full-speed range is operating
(if equipped)
The Stop & Start system is operational during a controlled stop by the
dynamic radar cruise control with full-speed range. (P. 332)
■Stopping the engine
While driving with the dynamic
radar cruise control with full-speed
range in vehicle-to-vehicle distance
control mode, the engine will stop
automatically if the vehicle comes to
a complete stop through a con-
trolled stop. (The engine will stop
automatically even though the brake
pedal is not depressed.)
The Stop & Start indicator will come on.
■Restarting the engine
When the preceding vehicle starts off, the engine will restart automatically.
The Stop & Start indicator will turn off.
■Stop & Start system operation during a controlled stop by the dynamic
radar cruise control with full-speed range
If the engine is restarted automatically by the Stop & Start system during a
controlled stop by the dynamic radar cruise control with full-speed range, the
controlled stop will continue. (Resuming follow-up cruising after a controlled
stop: P. 335)

3484-5. Using the driving support systems
RX350/RX200t_EE_OM48F32E
Press the Stop & Start cancel switch to
disable the Stop & Start system.
The Stop & Start cancel indicator will
come on. Pressing the switch again will enable theStop & Start system and the Stop & Start
cancel indicator will turn off.
■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 enabled when the engine switch is turned off, and then to
the engine started.
■If the Stop & Start cancel switch is pressed
●When the engine is stopped by the St op & Start system, pressing the Stop
& Start cancel switch will restart the engine.
●With the Stop & Start system disabl ed, pressing the Stop & Start cancel
switch will enable the system but no t stop the engine. From the next time
the vehicle is stopped (after the Stop & Start system has been enabled), the
engine will be stopped.
If the engine is stopped by the Stop & Start system when the vehicle is on an
incline, brake force is temporarily maintained to prevent rolling backwards until
the engine is restarted and drive force is generated. When drive force is gener-
ated, the maintained brake force is automatically canceled.
●This function operates on flat surfaces as well as steep inclines.
●Sound may be generated from the brak es, but this is not a malfunction.
●Brake pedal response may change and vibration may occur, but these are not
malfunctions.
Disabling the Stop & Start system
Hill-start assist control

3494-5. Using the driving support systems
4
Driving
RX350/RX200t_EE_OM48F32E
■Operating conditions
●The Stop & Start system is operational when all of the following conditions are met:
• The brake pedal is being depressed firmly. (Except when the vehicle comes to a controlled stop while driving with the dyna mic radar cruise control with full-speed
range in vehicle-to-vehicle distance control mode [if equipped])
• The shift lever is in D or M.
• is off.
• The driver's seat belt is fastened.
• The engine is adequately warmed up.
• The driver's door is closed.
• The accelerator pedal is not being depressed.
• The outside temperature is -5°C (23°F) or higher.
• The hood is closed.
●In the following situations the engine may not be stopped by the Stop & Start system.
This is not a malfunction of the Stop & Start system.
• The air conditioning system is being used when the ambient temperature is high or
low.
• The battery is not sufficiently charged, such as if the vehicle has been parked for a long time and the battery charge has decreased, the electric load is large, the bat-
tery temperature is excessively low or the battery has deteriorated, or is undergoing
a periodic recharge.
• The brake booster vacuum is low.
• The vehicle is stoppe d on a steep incline.
• The steering wheel is being operated.
• Due to traffic or other circumstances the vehicle is being stopped repeatedly.
• The vehicle is being driven in a high altitude area.
• Engine coolant temperature or transmissi on fluid temperature is extremely low or
high.
• The battery fluid temperature is extremely low or high.
• For a while after the battery terminals have been disconnected and reconnected.
• For a while after the battery replacement.
●In the following situations, the engine will re start automatically if the engine is stopped
by the Stop & Start system. (To enable stoppi ng of the engine by the Stop & Start sys-
tem, drive the vehicle.)
• The air conditioning system is turned on.
• is turned on.
• The steering wheel is operated.
• The shift lever is shifted to a position other than D or M.
• The driver's seat belt is unfastened.
• The driver's door is opened.
• The accelerator pedal is depressed.
• The Stop & Start cancel switch is pressed.
• The vehicle starts to roll on an incline.

3504-5. Using the driving support systems
RX350/RX200t_EE_OM48F32E
●In the following situations, the engine may restart automatically if the engine is stopped
by the Stop & Start system. (To enable stoppi ng of the engine by the Stop & Start sys-
tem, drive the vehicle.)
• The brake pedal is pumped or strongly depressed.
• The air conditioning system is being used.
• The battery is not sufficiently charged.
■Hood
●If the hood is opened while the engine is stopped by the Stop & Start system, the engine
will stall and will not be able to be restarte d by the automatic engine start function. In
this case, restart the engine using the normal engine starting procedure. (P. 246)
●If the hood is closed after the engine is st arted with the hood open, the Stop & Start sys-
tem will not operate. Close the hood, turn the engine switch off, wait 30 seconds or
more, and then start the engine.
■When to use the Stop & Start system
●When the system cannot operate, is cancele d, or is malfunctioning, warning messages
and a warning buzzer are used to inform the driver. ( P. 352)
●If the engine switch is pressed when the en gine is stopped by the Stop & Start system,
the engine will stall and will not be able to be restarted by the automatic engine start
function. In this case, restart the engine using the normal engine starting procedure.
(  P. 246)
●When the engine is restarted by the Stop & Start system, the power outlets may be
temporarily unusable, but this is not a malfunction.
●Installation and remova l of electrical components and wireless devices may affect the
Stop & Start system. Contact any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional for details.
■If the windshield is fogged up while the engine is stopped by the Stop & Start system
Turn on. ( P. 542)
If the windshield fogs up frequently, press the Stop & Start cancel switch to disable the
system.
■If an odor comes from the air conditioning system while the engine is stopped by the
Stop & Start system
Press the Stop & Start cancel switch to deactivate the Stop & Start system.

3514-5. Using the driving support systems
4
Driving
RX350/RX200t_EE_OM48F32E
■Air conditioning system while the engine is stopped by the Stop & Start system
●If the air conditioning system is being used in automatic mode, the fan speed may be reduced or the fan may be stopped while the engine is stopped by the Stop & Start sys-
tem in order to reduce changes in the cabin temperature.
●To ensure air conditioning system performanc e when the vehicle is stopped, disable the Stop & Start system by pressing the Stop & Start cancel switch.
■Changing the idling stop time with the air conditioning system on
The length of time the Stop & Start system will operate when the air conditioning system
is on can be changed on the ( P. 109) or (P. 110). (The length of time the Stop
& Start system will operate when the air condit ioning system is off cannot be changed.)
■The Stop & Start system protection function
●When an excessively loud sound is being projected by the audio system, the audio sys- tem may be automatically cut off in order to reduce battery consumption. If this occurs,
turn the engine switch off, wait for 3 seconds or longer and then turn it to ACCES- SORY mode or IGNITION ON mode to re-enable the audio system.
●The audio system may not be activated when the battery terminals are disconnected
and then reconnected. If this occurs, turn the engine switch off and then repeat the fol- lowing operation twice to activate the audio system normally.
• Turn the engine switch to IGNITION ON mode and then to OFF.
■Replacing the battery
 P. 717
■Displaying the Stop & Start system status
 P. 109

3524-5. Using the driving support systems
RX350/RX200t_EE_OM48F32E
■Multi-information display messages
If the following situations, and a message may be displayed on the multi-information
display.
●When the engine cannot be stopped by the Stop & Start system
MessageDetails
“Depress Brake
Firmly to Activate”
The brake pedal is not depressed enough.
If the brake pedal is depressed further, the system
will operate.
“For Climate Control”
• The air conditioning system is being used when the ambient temperature is high or low.
If the difference between the set temperature and
cabin temperature is small, the system will be
enabled.
• is ON.
“Battery Charging”
• The battery charge amount may be low. Engine stop is temporarily prohibited to prioritize
charging of the battery, but if the engine is operated
for a short while, engine stop is allowed.
• A refresh charge may be occurring, such as when the battery is undergoing a periodic recharge, for a
while after the battery terminals have been discon-
nected and reconnected, for a while after the bat-
tery has been replaced, etc.
After a refresh charge of approximately 5 to 60 min-
utes completes, the system can be operated.
• If the message is displayed continuously (more than 60 minutes), the battery may be deteriorated. Con-
tact any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional for
details.
“For Brake System”
• The vehicle is being driven in a high altitude area.
• The brake booster vacuum is low. When the brake booster vacuum reaches a prede-
termined level, the system will be enabled.
“Steering Wheel
Turned”
The steering wheel has been operated.
“Driver Seat Belt
Unbuckled”
The driver seat belt is not fastened.
“Stop & Start Unavail-
able”
• The Stop & Start system is temporarily disabled. Operate the engine for a short while.
• The engine may have been started with the hood open.
Close the hood, turn the engine switch off, wait for
30 seconds or more, and then start the engine.