engine LEXUS RX350 2019 Repair Manual

190 3-5. Opening, closing the windows and moon roof
RX350/RX350L_U WARNING
Observe the following precautions.
Failing to do so may result in death or serious injury.■
Opening and closing the windows ●
The driver is responsible for all the power window operations, including the operation
for the passengers. In order to prevent acci dental operation, espe cially by a child, do
not let a child operate the power windows. It is possible for children and other passen-
gers to have body parts caught in the powe r window. Also, when riding with a child, it
is recommended to use the window lock switch. (  P. 187)
●
When using the wireless remote control or mechanical key and operating the power
windows, operate the power window after checking to make sure that there is no pos-
sibility of any passenger having any of their body parts caught in the window. Also do
not let a child operate power window by the wireless remote control or mechanical
key. It is possible for child ren and other passengers to get caught in the power win-
dow. ●
When exiting the vehicle, turn the engine sw itch off, carry the ke y and exit the vehicle
along with the child. There may be accidental operation, due to mischief, etc., that
may possibly lead to an accident. ■
Jam protection function ●
Never use any part of your body to intentionally activate the jam protection function. ●
The jam protection function may not work if something gets jammed just before the
window is fully closed. Be careful not to get any part of your body jammed in the win-
dow. ■
Catch protection function ●
Never use any part of your body or clothing to intentionally activate the catch protec-
tion function. ●
The catch protection function may not work if something gets caught just before the
window is fully opened. Be ca reful not to get any part of your body or clothing caught
in the window. ●
Check to make sure th at all passengers do
not have any part of their body in a position
where it could be caught when a window is
being operated.

192 3-5. Opening, closing the windows and moon roof
RX350/RX350L_U ■
The moon roof can be operated when
The engine switch is in IGNITION ON mode. ■
Operating the moon roof after turning the engine off
The moon roof can be operated for approximat ely 45 seconds after the engine switch is
turned to ACCESSORY mode or turned off. It cannot, however, be operated once the
driver’s door is opened. ■
Jam protection function
If an object is detected between the moon r oof and the frame while the moon roof is clos-
ing or tilting down, travel is stopped and the moon roof opens slightly. ■
Sunshade
The sunshade can be opened and closed manually. Howe ver, the sunshade will open
automatically when the moon roof is opened. ■
Door lock linked moon roof operation ●
The moon roof can be opened and closed using the mechanical key.
* (  P. 685)●
The moon roof can be opened us ing the wireless remote control.
* (  P. 124)
* : These settings must be customized at your Lexus dealer.

1933-5. Opening, closing the windows and moon roof
3
Operation of each component
RX350/RX350L_U ■
When the moon roof does not close normally
Perform the following procedure: ●
If the moon roof closes but then re-opens slightly
Stop the vehicle.
Press and hold the “CLOSE” switch.
* 1
The moon roof will close, reopen an d pause for approximately 10 seconds.
* 2
Then it
will close again, tilt up and pause for approx imately 1 second. Finally, it will tilt down,
open and close.
Check to make sure that the moon roof is completely closed and then release the
switch. ●
If the moon roof tilts do wn but then tilts back up
Stop the vehicle.
Press and hold the “UP” switch
* 1
until the moon roof moves into the tilt up position
and stops.
Release the “UP” switch once and then press and hold the “UP” switch again.
* 1
The moon roof will pause fo r approximately 10 seconds in the tilt up position.
* 2
Then it will adjust slightly and pause for approximately 1 second. Finally, it will tilt
down, open and close.
Check to make sure that the moon roof is completely closed and then release the
switch.
* 1
: If the switch is released at the incorrect time, the pr ocedure will have to be per-
formed again from the beginning.
* 2
: If the switch is released after the above mentioned 10 second pause, automatic
operation will be disabled. In that case, press and hold the “CLOSE” or “UP” switch,
and the moon roof will tilt up and pause for approximately 1 second. Then it will tilt
down, open and close. Check to make sure that the moon roof is completely closed
and then release the switch.
If the moon roof does not fully close even after performing the above procedure cor-
rectly, have the vehicle inspected by your Lexus dealer. ■
Alarm
The alarm may be triggered if the alarm is se t and the moon roof is closed using the door
lock linked moon roof operation function. (  P. 77)■
Moon roof open warning buzzer
A buzzer sounds and a message is shown on the multi-information display in the instru-
ment cluster when the engine switch is turned off and the driver’s door is opened with the
moon roof open. ■
Customization
Some functions can be customized. (  P. 722)1
2
3
1
2
3
4

194 3-5. Opening, closing the windows and moon roof
RX350/RX350L_U WARNING
Observe the following precautions.
Failing to do so may cause death or serious injury. ■
Opening the moon roof ●
Do not allow any passengers to put their hands or heads outside the vehicle while it is
moving. ●
Do not sit on top of the moon roof. ■
Opening and closing the moon roof ●
The driver is responsible for moon roof opening and closing operations.
In order to prevent accidental operation, especially by a child, do not let a child oper-
ate the moon roof. It is possible for child ren and other passengers to have body parts
caught in the moon roof.
■
Jam protection function ●
Never use any part of your body to intentionally activate the jam protection function. ●
The jam protection function may not work if something gets caught just before the
moon roof is fully closed. Also, the jam prot ection function is not designed to operate
while the switch is being pressed. Take care so that your fingers, etc. do not get
caught. ●
Check to make sure th at all passengers do
not have any part of their body in a position
where it could be caught when the moon roof
is being operated. ●
When using the wireless remote control or
mechanical key and operating the moon roof,
operate the moon roof after checking to
make sure that there is no possibility of any
passenger having any of their body parts
caught in the moon roof. Also, do not let a
child operate moon roof by the wireless
remote control or mechanical key. It is possi-
ble for children and other passengers to get
caught in the moon roof. ●
When exiting the vehicle, turn the engine
switch off, carry the ke y and exit the vehicle
along with the child. There may be accidental
operation, due to mischief, etc., that may pos-
sibly lead to an accident.

196 3-5. Opening, closing the windows and moon roof
RX350/RX350L_U Opens the panoramic moon roof*
Slide and hold the switch back-
ward. The panoramic moon roof and
electronic sunshade will open automat-
ically. The panoramic moon roof can be
opened from the tilt-up position.
* : Quickly slide and release the
switch in either direction to stop the
panoramic moon roof partway.
Closes the panoramic moon roof
Slide and hold the switch for-
ward. The panoramic moon roof will
fully close automatically. ■
The panoramic moon roof can be operated when
The engine switch is in IGNITION ON mode. ■
Operating the panoramic moon roof after turning the engine off
The panoramic moon roof and electronic su nshade can be operated for approximately
45 seconds after the engine switch is turned to ACCESSORY mode or turned off. They
cannot, however, be operated once the driver’s door is opened. ■
Jam protection function
If an object is detected be tween the panoramic moon roof and the frame in the following
situations, travel is stopped and the panoramic moon roof opens slightly:●
The panoramic moon roof is closing or tilting down. ●
The electronic sunshade is closing. ■
Door lock linked panoramic moon roof operation●
The panoramic moon roof can be opened and closed using the mechanical key.
* (  P. 685) ●
The panoramic moon roof can be open ed using the wireless remote control.
* (  P. 124)
* : These settings must be cust omized at your Lexus dealer.Opening and closing the panoramic moon roof

1973-5. Opening, closing the windows and moon roof
3
Operation of each component
RX350/RX350L_U ■
Closing both the panoramic moon roof and electronic sunshade
Slide the
switch forward.
The electronic sunshade will close to the half-open position and pause. The panoramic
moon roof will then fully close. Then the electronic sunshade will fully close.■
When the panoramic moon roof or electronic sunshade does not close normally
Perform the following procedure:
Stop the vehicle.
Turn the engine switch to IGNITION ON mode.
Slide and hold the switch or swit ch forward. Continue pressing the
switch for approximately 10 seconds afte r the panoramic moon roof or electronic
sunshade closes and reopens. The panora mic moon roof and electronic sunshade
will start to close.
*Check that the panoramic moon roof and electronic sunshade are fully closed and
release the switch.
* : If the switch is released at the incorrect time, the pr ocedure will have to be per-
formed again from the beginning.
If the panoramic moon roof or electronic sunshade does not fully close even after per-
forming the above procedure correctly, have the vehicle inspected by your Lexus dealer. ■
Alarm
A alarm may be triggered if the alarm is set and the panoramic moon roof is closed using
the door lock linked panoramic m oon roof operation function. (  P. 77)■
Panoramic moon roof open warning buzzer
The buzzer sounds and a message is shown on the multi-information display in the instru-
ment cluster when the engine switch is turned off and the driver’s door is opened with the
panoramic moon roof open. ■
Customization
Some functions can be customized. (  P. 722)1
2
3
4

198 3-5. Opening, closing the windows and moon roof
RX350/RX350L_U WARNING
Observe the following precautions.
Failing to do so may cause death or serious injury. ■
Opening and closing the electronic sunshade
■
Opening and closing the panoramic moon roof ●
The driver is responsible for panoramic mo on roof opening and closing operations.
In order to prevent accidental operation, especially by a child, do not let a child oper-
ate the panoramic moon roof. It is possibl e for children and othe r passengers to have
body parts caught in the panoramic moon roof.
■
Jam protection function ●
Never use any part of your body to intentionally activate the jam protection function. ●
The jam protection function may not work if something gets caught just before the
panoramic moon roof or electronic sunshade is fully closed. Also, the jam protection
function is not designed to operate while the switch is being presse d. Take care so that
your fingers, etc. do not get caught. ●
Check to make sure th at all passengers do
not have any part of their body in a position
where it could be caught when the electronic
sunshade is being operated. ●
Do not let a child operate the electronic sun-
shade. Closing the electronic sunshade on
someone can cause death or serious injury.
●
Check to make sure th at all passengers do
not have any part of their body in a position
where it could be caught when the panoramic
moon roof is being operated. ●
When using the wireless remote control or
mechanical key and operating the panoramic
moon roof, operate th e panoramic moon roof
after checking to make sure that there is no
possibility of any passenger having any of
their body parts caught in the panoramic
moon roof. Also, do not let a child operate
panoramic moon roof by the wireless remote
control or mechanical key. It is possible for
children and other passengers to get caught
in the panoramic moon roof. ●
When exiting the vehicle, turn the engine
switch off, carry the ke y and exit the vehicle
along with the child. There may be accidental
operation, due to mischief, etc., that may pos-
sibly lead to an accident.

200
RX350/RX350L_U 4-1. Before driving
Driving the vehicle..................... 202
Cargo and luggage.................... 210
Vehicle load limits....................... 213
Trailer towing (vehicles
with towing package) ............. 215
Trailer towing (vehicles
without towing
package)..................................... 229
Dinghy towing .............................230
4-2. Driving procedures
Engine (ignition) switch ............ 231
Automatic transmission
(vehicles without paddle
shift switches)............................ 236
Automatic transmission
(vehicles with paddle
shift switches)............................ 240
Turn signal lever ......................... 246
Parking brake .............................. 247
Brake Hold ...................................2504 Driving

202
RX350/RX350L_U 4-1. Before driving
 P. 231
With the brake pedal depressed, shift the shift lever to D. (  P. 240)
Release the parking brake. (  P. 248)If the parking brake is in automatic mode, the parking brake is released automatically
when shifting the shift lever to any position other than P. (  P. 247)
Gradually release the brake pedal and gently depress the accelerator pedal
to accelerate the vehicle.
With the shift lever in D, depress the brake pedal.
If necessary, set the parking brake. (  P. 248)If the vehicle is to be stopped for an extended period of time, shift the shift lever to P or
N. (  P. 240)
With the shift lever in D, depress the brake pedal.
Set the parking brake (  P. 248), and shift the shift lever to P (  P. 240).
Press the engine switch to stop the engine.
Lock the door, making sure that you ha ve the electronic key on your person.If parking on a hill, bloc k the wheels as needed.Driving the vehicle The following procedures should be observed to ensure safe driving:
Starting the engine
Driving
Stopping
Parking the vehicle 1
2
3
1
2
1
2
3
4

2034-1. Before driving
4
Driving
RX350/RX350L_U With the brake pedal depressed, shift the shift lever to D. (  P. 240)
Pull the parking brake switch and parking brake is set manually. (  P. 248)
Release the brake pedal and gently de press the accelerator pedal to acceler-
ate the vehicle.
Press the parking brake switch and pa rking brake is released manually.
(  P. 248) ■
When starting off on a uphill
The hill-start assist control will activate. (  P. 378)■
Driving in the rain ●
Drive carefully when it is ra ining, because visibility will be reduced, the windows may
become fogged-up, and the road will be slippery. ●
Drive carefully when it starts to rain, beca use the road surface will be especially slip-
pery. ●
Refrain from high speeds when driving on an expressway in the rain, because there may
be a layer of water between the tires and th e road surface, preventing the steering and
brakes from operating properly. ■
Engine speed while driving
In the following conditions, th e engine speed may become high while driving. This is due
to automatic up-shifting control or down-shi fting implementation to meet driving condi-
tions. It does not indica te sudden acceleration.●
The vehicle is judged to be driving uphill or downhill ●
When the accelerato r pedal is released●
When the brake pedal is depressed while sport mode is selected ■
Restraining the engine output (Brake Override System)●
When the accelerator and brake pedals are depressed at the same time, the engine
output may be restrained. ●
A warning message is displayed on the mult i-information display while the system is
operating. If a warning messa ge is shown on the multi-in formation display, read the
message and follow the instructions. ■
Restraining sudden start (Drive-Start Control)●
When the following unusual operation is performed, the engine output may be
restrained.
• When the shift lever is shifted from R to D, D to R, N to R, P to D, or P to R (D
includes M or S) with the accelerator pedal depressed, a warning message appears
on the multi-information display. If a wa rning message is shown on the multi-infor-
mation display, read the messa ge and follow the instructions.
• When the accelerator pedal is depressed t oo much while the vehicle is in reverse.●
While Drive-Start Control is being activated, your vehicle may have trouble escaping
from the mud or fresh snow. In such case, deactivate TRAC (  P. 380) to cancel
Drive-Start Control so that the vehicle ma y become able to escape from the mud or
fresh snow.Starting off on a uphill 1
2
3
4