Page 371 of 748

3714-5. Using the driving support systems
4
Driving
RX350_U_OM48E90U Eco drive mode
Helps the driver accelerate in an eco- friendly manner and improve fuel econ-
omy through moderate throttle characteristics and by controlling the opera-
tion of the air conditioning system (heating/cooling). When not in Eco drive mode, if the driving mode select switch is tu rned to the left, the
Eco drive mode indicator will come on.
Sport mode
•SPORT S mode
Controls the transmission and engine to provide quick, powerful accelera-
tion. This mode is suitable for when agile driving response is desired, such
as when driving on roads with many curves. When not in SPORT S mode, if the driving mode select switch is turned to the
right, the “SPORT S” indicator will come on.
•SPORT S+ mode
Helps to ensure steering performanc e and driving stability by simulta-
neously controlling the steering and suspen sion in addition to the transmis-
sion and engine. Suitable for sportier driving. When in SPORT S mode, if the driving mode select switch is turned to the right,
the “SPORT S+” indicator will come on. Function Setting
Po w e r t r a i n Normal
Po w e r
Eco
Chassis Normal
Sport
Air conditioning system Normal
Eco2
3
Page 372 of 748
372 4-5. Using the driving support systems
RX350_U_OM48E90U ■
Operation of the air conditioning system in Eco drive mode
Eco drive mode controls the heating/cooling operations and fan speed of the air condi-
tioning system to enhance fuel efficiency. To improve air conditioning performance,
adjust the fan speed or turn off Eco drive mode. ■
Automatic deactivation of sport mode and customized mode
If the engine switch is turned off after dr iving in sport mode or customized mode, the
drive mode will be changed to normal mode. ■
Driving mode pop-up display (12.3-inch display only)
When the driving mode is changed, the selected driving mode will be temporarily dis-
played on the side display. ( P. 4 9 2 )
Page 375 of 748

3754-5. Using the driving support systems
4
Driving
RX350_U_OM48E90U ◆ Dynamic Torque Control AWD system (AWD models)
Automatically switches from front-wheel drive to all-wheel drive (AWD)
according to the driving conditions, he lping to ensure reliable handling and
stability. Examples of conditions wher e the system will switch to AWD are
when cornering, going uph ill, starting off or accele rating, and when the road
surface is slippery due to snow, rain, etc.
◆ Adaptive Variable Suspension System (if equipped)
Controls the damping force of the shock absorber of each wheel according to
the road and driving conditions, helping achieve a comfortable ride, excellent
driveability and a high level of stability.
If SPORT S+ mode is selected using the driving mode select switch, the
damping force will become more su itable for sporty driving. ( P. 3 7 0 )
◆ VDIM (Vehicle Dynamics Integrated Management) (if equipped)
Provides integrated control of the ABS, brake assist, TRAC, VSC, hill-start
assist control, and EPS systems
Helps to maintain vehicle stability when swerving on slippery road surfaces by
controlling the brakes and engine output
◆ Trailer Sway Control
Helps the driver to control trailer sway by selectively applying brake pressure
for individual wheels and reducing dr iving torque when trailer sway is
detected.
Trailer Sway Control is part of the VSC system and will not operate if VSC
turned off or experi ences a malfunction.
Page 630 of 748

630 8-2. Steps to take in an emergency
RX350_U_OM48E90U ■
While towing
If the engine is not running, the power assist for the brakes and steering will not function,
marking steering and braking more difficult. ■
Wheel nut wrench
Wheel nut wrench is installed in luggage compartment. ( P. 6 4 7 )
WA R N I N G
Observe the following precautions.
Failure to do so may result in death or serious injury. ■
When towing the vehicle
2WD models
AW D m o d e l s
■
While towing ●
When towing using cables or chains, avoid sudden starts, etc. which place excessive
stress on the towing eyelets, cables or chains. The towing eyelets, cables or chains
may become damaged, broken debris may hit people, and cause serious damage. ●
Do not turn the engine switch off.
There is a possibility that the steering wheel is locked and cannot be operated.■
Installing towing eyelets to the vehicle
Make sure that towing eyelets are installed securely.
If not securely installed, towing ey elets may come loose during towing.Be sure to transport the vehicle with the front
wheels raised or with all four wheels raised off
the ground. If the vehicle is towed with the front
wheels contacting the ground, the drivetrain
and related parts may be damaged.
Be sure to transport the vehicle with all four
wheels raised off the ground. If the vehicle is
towed with the tires contacting the ground, the
drivetrain or related parts may be damaged,
the vehicle may fly off the truck.
Page 641 of 748

6418-2. Steps to take in an emergency
8
When trouble arises
RX350_U_OM48E90U Master warning light The master warning light also comes on or flashes in order to indicate that a message
is currently being displayed on the multi-information display.
Multi-information display
If any of the warning messages are show n again after the following actions have
been performed, contact your Lexus dealer.
The warning lights and warning buzzers operate as follows depending on the
content of the message. If a message in dicates the need for inspection by a
dealer, have the vehicle inspected by your Lexus dealer immediately.If a warning message is displayed The multi-information display shows warnings of system malfunctions, incor-
rectly performed operations, and messages that indicate a need for mainte-
nance. When a message is shown, perform the correction procedure
appropriate to the message.
Except F SPORT models
F SPORT models
Messages and warnings 1
2
System
warning
light Wa r n i n g b u z z e r
* Wa r n i n g
Comes
on Sounds Indicates an important situation, such
as when a system related to driving is
malfunctioning or that danger may
result if the correction procedure is not
performed
Comes on
or flashes Sounds Indicates an important situation, such
as when the systems shown on the
multi-information display may be mal-
functioning
Page 645 of 748

6458-2. Steps to take in an emergency
8
When trouble arises
RX350_U_OM48E90U ■
If “Maintenance Required Visit Your Dealer” is displayed (U.S.A. only)
Indicates that all maintenance is required to correspond to the driven distance
on the maintenance schedule
* .
Comes on approximately 5000 miles (8000 km) after the message has
been reset.
(The indicator will not wo rk properly unless the message has been reset.)
Perform the necessary maintenance. Please reset the message after the main-
tenance is performed. ( P. 565)
* : Refer to the separate “Scheduled Mainte nance” or “Owner’s Manual Supplement”
for the maintenance interval applicable to your vehicle. ■
System warning lights
The master warning light does not come on or flash in the following cases. Instead, a sep-
arate system warning light will come on al ong with a message shown on the multi-infor-
mation display. ●
“Antilock Brake System Malfunction Visit Your Dealer”:
The ABS warning light comes on. ( P. 6 3 4 )●
“Charging System Malfunction See Ow ner’s Manual” (F SPORT models):
The charging system warning light comes on. ( P. 6 3 4 )■
Warning buzzer
P. 6 3 8
NOTICE ■
“High Power Consumption Partial Limit On AC/Heater Operation” is frequently
shown
There is a possible malfunction relating to the charging system or the battery may be
deteriorating. Have the vehicle inspected by your Lexus dealer.
Page 700 of 748
700 9-2. Customization
RX350_U_OM48E90U Some function settings are changed simultaneously with other functions being
customized. Contact your Lexus dealer for further details.
Settings that can be changed on the audio system screen
Settings that can be changed by your Lexus dealer
Definition of symbols: O = Available, – =Not available ■
Gauges, meters and multi-information display ( P. 8 5 , 8 9 )
* 1
: The default setting varies according to countries.
* 2
:Except F SPORT modelsCustomizable Features 1
2
Function Default setting Customized setting
Language English French
O—
Spanish
Units
* 1
miles (MPG US) miles
(MPG Imperial)
O —
km (L/100 km)
km (km/ L)
Color
* 2
Color 1 Color 2
O —
Suggestion function On Off — O 1 2
Page 709 of 748
7099-2. Customization
9
Vehicle specifications
RX350_U_OM48E90U ■
Driving mode select switch ( P. 3 6 9 )
* :If equipped ■
Automatic air conditioning system ( P. 4 9 5 )
* : If equipped■
Seat heaters
* /seat ventilators
* ( P. 506, 507)
* : If equipped Function Default setting Customized setting
Powertrain control in customized
mode
* Normal Po w e r
O —
Eco
Chassis control in customized
mode
* Normal Sport O —
Air conditioning operation in
customized mode
* Normal Eco O — 1 2
Function Default setting Customized setting
A/C auto switch operation On Off O O
Exhaust gas sensor sensitivity
* Standard -3 to 3 O O 1 2
Function Default setting Customized setting
Driver’s seat temperature prefer-
ence in automatic mode Standard -2 (cooler) to 2
(warmer) O O
Front passenger’s seat tempera-
ture preference in automatic
mode Standard -2 (cooler) to 2
(warmer) O O 1 2