trailer LEXUS RX350 2019 Owner's Guide

3834-5. Using the driving support systems
4
Driving
RX350/RX350L_U WARNING ■
Hill-start assist control does not operate effectively when ●
Do not overly rely on hill-start assist control. Hill-start assist control may not operate
effectively on steep inclines and roads covered with ice. ●
Unlike the parking brake, hill-start assist co ntrol is not intended to hold the vehicle
stationary for an exte nded period of time. Do not atte mpt to use hill-start assist con-
trol to hold the vehicle on an incline, as doing so may lead to an accident. ■
When the TRAC/VSC/Trailer Sw ay Control is activated
The slip indicator light flashes. Always drive carefully. Reckle ss 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 appropriate to the road conditions. As these
are the systems to help ensure vehicle stab ility and driving force, do not turn the
TRAC/VSC/Trailer Sway Contro l systems off unless necessary.
Trailer Sway Control is part of the VSC syst em and will not operate if VSC is turned off
or experiences a malfunction. ■
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 tire s are inflated to the recommended tire infla-
tion pressure level.
The ABS, TRAC, Trailer Sway Control and VS C systems will not function correctly if
different tires are installed on the vehicle.
Contact your Lexus dealer for further in formation when replacing tires or wheels.■
Handling of tires and the suspension
Using tires with any kind of problem or modi fying the suspension w ill affect the driving
assist systems, and may cause 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 Control 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 cause death or serious injury. ●
Firmly grip the steering wh eel. Steer straight ahead.
Do not try to control trailer sway by turning the steering wheel.●
Begin releasing the accelerator pedal immediately 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. 226)

6558-2. Steps to take in an emergency
8
When trouble arises
RX350/RX350L_U (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 parking brake is not released. If the
light turns off after the parking brak e 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 EPS (Electric Power Steering) sys-
tem
 Have the vehicle inspected by your Lexus dealer immediately.
LKA indicator
Indicates a malfunction in the LKA (Lane-Keeping Assist)
 When “Lane Keeping Assist Unavailable” is displayed on the
multi-information display, turn the LKA system off, drive the
vehicle for a short time, and then turn the LKA system back on.
(  P. 295)
When a message other than above is displayed, follow the
instructions displayed in the message.
Slip indicator
When the warning lig ht 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

680 8-2. Steps to take in an emergency
RX350/RX350L_U WARNING ■
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 comp act spare tire on another vehicle.●
Do not use more than one comp act spare tire simultaneously.●
Replace the compact spare ti re with a standard tire as soon as possible.●
Avoid sudden acceleration, abrupt steering, sudden braking 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 possibilit y 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)
• Dynamic radar cruise control with full-
speed range
• PCS (Pre-Collision System)
• LKA (Lane-keeping Assist)
• Automatic High Beam • AFS (Adaptive Front-lighting System)
(if equipped)
• Tire pressure warning system
• Intuitive parking assist (if equipped)
• Intelligent Clearance Sonar (ICS) (if
equipped)
• Lexus parking assist monitor (if
equipped)
• Panoramic view monitor (if equipped)
• BSM (Blind Spot Monitor) (if
equipped)
• Navigation system (if equipped)

698
RX350/RX350L_U 9-1. Specifications
* 1
:RX350
* 2
:RX350L
* 3
:Unladen vehicle
* 4
: Vehicles with towing package
* 5
: For GGL25L-BWZGBA models* 9
* 6
: Except for GGL25L-BWZGBA models* 9
* 7
: Vehicles with separate seat
* 8
: Vehicles with bench seat
* 9
: The model code is indicated on the Certification Label. (  P. 699)Maintenance data (fuel, oil level, etc.) Dimensions and weight Overall length 192.5 in. (4890 mm)
* 1
196.9 in. (5000 mm)
* 2
Overall width 74.6 in. (1895 mm)
Overall height
* 3
67.7 in. (1720 mm)
Wheelbase 109.8 in. (2790 mm)
Tread Front 64.4 in. (1635 mm)
* 1
64.5 in. (1640 mm)
* 2
Rear 64.0 in. (1625 mm)
* 1
64.1 in. (1630 mm)
* 2
Vehicle capacity weight
(Occupants + luggage) 1050 lb. (480 kg)
* 1, 5
920 lb. (420 kg)
* 1, 6
1140 lb. (520 kg)
* 2, 7
1235 lb. (560 kg)
* 2, 8
Trailer Weight Rating
* 4
(Trailer weight + cargo weight) 3500 lb. (1585 kg)

773Alphabetical index
RX350/RX350L_U Tachometer ............................................... 86
Tail lights
Light switch ........................................... 252
Replacing light bulbs ....................... 630
Talk switch ....................................465, 487
Telephone switch.................................. 465
Theft deterrent system
Alarm........................................................... 77
Engine immobilizer system.............. 74
Tire inflation pressure
Maintenance data ..............................704
Warning light ...................................... 656
Tire information ..................................... 709
Glossary ...................................................716
Size .............................................................. 712
Tire identification number................. 711
Uniform Tire Quality
Grading.................................................714
Tire pressure warning system
Initializing............................................... 605
Installing tire pressure warning
valves and transmitters ............... 605
Registering ID codes ...................... 606
Warning light ...................................... 656 Tires ........................................................... 604
Chains .....................................................385
Checking ...............................................604
Glossary................................................... 716
If you have a flat tire ..........................666
Inflation pressure......................613, 704
Replacing ...............................................666
Rotating tires ........................................604
Size ........................................................... 704
Snow tires ..............................................386
Spare tire....................................666, 704
Tire identification number ................. 711
Tire pressure warning system .... 605
Uniform Tire Quality
Grading ................................................ 714
Warning light .......................................656
Tools ........................................................... 667
Top tether strap ........................................70
Total load capacity............................... 698
Touchless power back door .............. 132
Towing
Dinghy towing ..................................... 230
Emergency towing ........................... 646
Towing eyelet ...................................... 649
Trailer Sway Control ....................... 378
Trailer towing............................. 215, 229
TRAC (Traction Control)................. 378
Traction Control (TRAC)................. 378
Trailer Sway Control .......................... 378
Trailer towing ................................215, 229T