
3794-5. Using the driving support systems
4
Driving
RX350_U_OM48E90U WA R N I N G ■
Hill-start assist control does not operate effectively when ●
Do not overly rely on the hill-start assist control. The hill-start assist control may not
operate effectively on steep inclines and roads covered with ice. ●
Unlike the parking brake, hill-start assist control is not intended to hold the vehicle
stationary for an extended period of time. Do not attempt to use hill-start assist con-
trol to hold the vehicle on an incline, as doing so may lead to an accident. ■
When the VSC/Trailer Sway Control is activated
The slip indicator light flashes. Always drive carefully. Reckless driving may cause an
accident. Exercise particular care when the indicator light flashes. ■
When the TRAC/VSC/Trailer Sway Control systems are turned off
Be especially careful and drive at a speed ap propriate to the road conditions. As these
are the systems to help ensure vehicle st ability and driving force, do not turn the
TRAC/VSC/Trailer Sway Control systems off unless necessary. ■
Replacing tires
Make sure that all tires are of the specified size, brand, tread pattern and total load
capacity. In addition, make sure that the tires are inflated to the recommended tire infla-
tion pressure level.
The ABS, TRAC, VSC and Trailer Sway Control systems will not function correctly if
different tires are installed on the vehicle.
Contact your Lexus dealer for further information when replacing tires or wheels. ■
Handling of tires and the suspension
Using tires with any kind of problem or modi fying the suspension will affect the driving
assist systems, and may caus e a system to malfunction.■
Trailer Sway Control precaution
The Trailer Sway Control system is not able to reduce trailer sway in all situations.
Depending on many factors such as the condit ions of the vehicle, trailer, road surface,
and driving environment, the Trailer Sway Co ntrol system may not be effective. Refer to
your trailer owner’s manual for information on how to tow your trailer properly. ■
If trailer sway occurs
Observe the following precautions.
Failing to do so may caus e death or serious injury.●
Firmly grip the steering wh eel. Steer straight ahead.
Do not try to control trailer swaying by turning the steering wheel. ●
Begin releasing the accelerator pedal i mmediately but very gradually to reduce
speed.
Do not increase speed. Do not apply vehicle brakes.
If you make no extreme correction with the steering or brakes, your vehicle and trailer
should stabilize. ( P. 2 1 5 )

6358-2. Steps to take in an emergency
8
When trouble arises
RX350_U_OM48E90U (Flashes)
(U.S.A.)
(Flashes)
(Canada)
Parking brake indicator
It is possible that the parking br ake is not fully engaged or released
Operate the parking brake switch once again.
This light comes on when the park ing brake is not released. If the
light turns off after the parking brake is fully released, the system is
operating normally. (Flashes)
Brake hold operated indicator
Indicates a malfunction in the brake hold system
Have the vehicle inspected by your Lexus dealer immediately.
Electric power steering system warning light (warning buzzer)
Indicates a malfunction in the EP S (Electric Power Steering) sys-
tem
Have the vehicle inspected by your Lexus dealer immediately. (If equipped)
LKA indicator/LDA indicator
Indicates a malfunction in the LKA (Lane-Keeping Assist)/LDA
(Lane Departure Alert with steering control)
When “Lane Keeping Assist Unavailable” or “Lane Departure
Alert Unavailable” is displayed on the multi-information display,
turn the LKA/LDA system off, drive the vehicle for a short time,
and then turn the LKA/LDA system back on. ( P. 2 8 7 , 2 9 6 )
When a message other than above is displayed, follow the
instructions displayed in the message.
Slip indicator
When the warning li ght is illuminated:
Indicates a malfunction in:
• The VSC system;
•The TRAC system;
• The Trailer Sway Control; or
• The hill-start assist control system
Have the vehicle inspected by your Lexus dealer immediately.
When the warning light flashes:
Indicates that the VSC, TRAC or Trailer Sway Control system is
operatingWarning light Warning light/Details/Actions

656 8-2. Steps to take in an emergency
RX350_U_OM48E90U WA R N I N G ■
When using the compact spare tire ●
Remember that the compact spare tire provid ed is specifically designed for use with
your vehicle. Do not use your compact spare tire on another vehicle. ●
Do not use more than one compact spare tire simultaneously. ●
Replace the compact spare tire with a standard tire as soon as possible. ●
Avoid sudden acceleration, ab rupt steering, sudden bra king and shifting operations
that cause sudden engine braking. ■
When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may not
operate correctly:
Also, not only can the following system not be utilized fully, but it may even negatively
affect the drive-train components:
• AWD system (AWD models) ■
Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe
this precaution may lead to an accid ent causing death or serious injury.■
After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage
location to reduce the possibility of personal injury during a collision or sudden brak-
ing.• ABS & Brake assist
•VSC
•TRAC
• Trailer Sway Control
•EPS
• VDIM (if equipped)
• Adaptive Variable Suspension System
(if equipped)
• Cruise control (if equipped)
• Dynamic radar cruise control (if
equipped)
• Dynamic radar cruise control with full-
speed range (if equipped)
• PCS (Pre-Collision System) (if
equipped) • LDA (Lane Departure Alert with
steering control) (if equipped)
• LKA (Lane-keeping Assist) (if
equipped)
• Automatic High Beam (if equipped)
• AFS (Adaptive Front-lighting System)
(if equipped)
• Tire pressure warning system
• Intuitive parking assist (if equipped)
• Lexus parking assist monitor (if
equipped)
• Panoramic view monitor (if equipped)
• BSM (Blind Spot Monitor) (if
equipped)
• Navigation system (if equipped)

674
RX350_U_OM48E90U 9-1. Specifications
* 1
: Unladen vehicle
* 2
: Vehicles with towing package
* 3
: For GGL25L-BWZGBA models
* 5
* 4
:Except for GGL25L-BWZGBA models
* 5
* 5
: The model code is indicated on the Certification Label. ( P. 6 7 5 )Maintenance data (fuel, oil level, etc.) Dimensions and weight Overall length 192.5 in. (4890 mm)
Overall width 74 . 6 i n . ( 1 8 9 5 m m )
Overall height
* 1
67.7 in. (1720 mm)
Wheelbase 109.8 in. (2790 mm)
Tr e a d Front 64.4 in. (1635 mm)
Rear 64.0 in. (1625 mm)
Vehicle capacity weight
(Occupants + luggage) 1050 lb. (480 kg)
* 3
920 lb. (420 kg)
* 4
Trailer Weight Rating
* 2
(Trailer weight + cargo weight) 3500 lb. (1588 kg)

746 Alphabetical index
RX350_U_OM48E90U Tires............................................................ 584
Chains....................................................... 381
Checking............................................... 584
Glossary ................................................ 693
If you have a flat tire ......................... 646
Inflation pressure .................. 593, 680
Replacing .............................................. 646
Rotating tires ....................................... 584
Size ........................................................... 680
Snow tires ............................................. 382
Spare tire ...................................646, 680
Tire identification number............. 688
Tire pressure warning system .... 585
Uniform Tire Quality
Grading................................................ 691
Warning light ...................................... 636
Tools........................................................... 647
Top tether strap.......................................... 71
Total load capacity ............................... 674
Touchless power back door ..............132
Towing
Dinghy towing ...................................... 219
Emergency towing ............................626
Towing eyelet.......................................629
Trailer Sway Control ........................375
Trailer towing ............................205, 218
TRAC (Traction Control) ................. 374
Traction Control (TRAC) ................. 374
Trailer Sway Control........................... 375
Trailer towing ...............................205, 218 Transmission
Automatic transmission ...... 225, 229
Driving mode select switch .......... 369
If the shift lever cannot be
shifted from P .................................. 660
M mode .................................................... 231
Paddle shift switches..............230, 231
S mode.................................................... 226
Trip meters ................................................103
Turn signal lights
Replacing light bulbs ........................ 610
Turn signal lever ................................. 234
Wattage ................................................. 682
USB memory ......................................... 433
USB port .................................................. 399
Vanity lights ............................................ 523
Wattage ................................................. 682
Vanity mirrors........................................ 523
Vanity lights .......................................... 523
VDIM (Vehicle Dynamics
Integrated Manag ement)...............375
Vehicle data recordings...........................9
Vehicle Dynamics Integrated
Management (VDIM)......................375
Vehicle identification number .........675
Vehicle Stability Control (VSC) .....374
Voice command system......................481
VSC (Vehicle Stability Control) ..... 374 U
V