2114-1. Before driving
4
Driving
RX450h_U_OM0E013U
NOTICE
■When driving the vehicle
●Do not depress the accelerator and brake pedals at the same time during driving, as
this may restrain driving torque.
●Do not use the accelerator pedal or depress the accelerator and brake pedals at the
same time to hold the vehicle on a hill.
■When parking the vehicle
Always shift the shift lever to P, set the pa rking brake. Failure to do so may cause the
vehicle to move or the vehicle may accelerate suddenly if the accelerator pedal is acci-
dentally depressed.
■Avoiding damage to vehicle parts
●Do not turn the steering wheel fully in either direction and hold it there for an
extended period of time.
Doing so may damage the power steering motor.
●When driving over bumps in the road, drive as slowly as possible to avoid damaging
the wheels, underside of the vehicle, etc.
■If you get a flat tire while driving
A flat or damaged tire may cause the following situations . Hold the steering wheel
firmly and gradually depress the brake pedal to slow down the vehicle.
●It may be difficult to control your vehicle.
●The vehicle will make abnormal sounds or vibrations.
●The vehicle will lean abnormally.
Information on what to do in case of a flat tire ( P. 549)
■When encountering flooded roads
Do not drive on a road that has flooded after heavy rain, etc. Doing so may cause the
following serious damage to the vehicle:
●Engine stalling
●Short in electrical components
●Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be sure to have
your Lexus dealer check the following:
●Brake function
●Changes in quantity and quality of oil and fluid used for the engine, hybrid transmis-
sion, rear differential (AWD models), etc.
●Lubricant condition for the bearings and su spension joints (where possible), and the
function of all joints, bearings, etc.
2274-1. Before driving
4
Driving
RX450h_U_OM0E013U
■Break-in schedule
If your vehicle is new or equipped with any new power train components (such as an
engine, hybrid transmission, rear differential (AWD models) or wheel bearing), Lexus
recommends that you do not tow a trailer unt il the vehicle has been driven for over 500
miles (800 km).
After the vehicle has been driven for over 500 miles (800 km), you can start towing.
However, for the next 500 miles (800 km), drive the vehicle at a speed of less than
50 mph (80 km/h) when towing a trailer, and avoid full throttle acceleration.
■Maintenance
●If you tow a trailer, your vehicle will require more frequent maintenance due to the addi-
tional load. (See “Warranty and Services Guide”, “Owner’s Manual Supplement” or
“Scheduled Maintenance”.)
●Retighten the fixing bolts of the towing ba ll and bracket after approximately 600 miles
(1000 km) of trailer towing.
■If trailer sway occurs
One or more factors (crosswinds, passing ve hicles, rough roads, etc.) can adversely
affect handling of your vehicle and trailer, causing instability.
●If trailer swaying occurs:
• Firmly grip the steering wh eel. Steer straight ahead.
Do not try to control trailer sway ing by turning the steering wheel.
• Begin releasing the accelerator pedal im mediately but very gradually to reduce
speed.
Do not increase speed. Do not apply vehicle brakes.
If you make no extreme correction with the st eering or brakes, your vehicle and trailer
should stabilize. (if enabled, Trailer Sway Control can also he lp to stabilize the vehicle and
trailer.)
●After the trailer sw aying has stopped:
• Stop in a safe place. Get all occupants out of the vehicle.
• Check the tires of the vehicle and the trailer.
• Check the load in the trailer. Make sure the load has not shifted.
Make sure the tongue weight is appropriate, if possible.
• Check the load in the vehicle.
Make sure the vehicle is not ov erloaded after occupants get in.
If you cannot find any problems, the speed at which trailer swaying occurred is beyond
the limit of your particular vehicle-trailer combination.
Drive at a lower speed to prevent instability. Remember that swaying of the towing vehi-
cle-trailer increases as speed increases.
5888-1. Specifications
RX450h_U_OM0E013U
*: The fluid capacity is a reference quantity. If replacement is necessary, contact your Lexus dealer.
*: The fluid capacity is a reference quantity. If replacement is necessary, contact your Lexus dealer.
*: Minimum pedal clearance when depressed wi th a force of 110 lbf (490 N, 50.0 kgf)
while the hybrid system is operating.
Hybrid transmission
Fluid capacity*5.1 qt. (4.8 L, 4.2 Imp. qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Hybrid transmission fluid type
Using transmission fluid ot her than “Toyota Genuine ATF WS” may ultimately damage
the hybrid transmission of your vehicle.
Rear differential (Rear electric motor) (AWD models)
Fluid capacity*1.9 qt. (1.8 L, 1.6 Imp. qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Hybrid transmission fluid type
Using transmission fluid ot her than “Toyota Genuine ATF WS” may ultimately damage
the hybrid transmission of your vehicle.
Brakes
Pedal clearance*3.7 in. (95 mm) Min.
Brake pad wear limit0.04 in. (1.0 mm)
Pedal free play0.04 — 0.24 in. (1.0 — 6.0 mm)
Fluid typeFMVSS No. 116 DOT 3 or SAE J1703
643Alphabetical index
RX450h_U_OM0E013U
CoolantCapacity ................................................ 587
Checking................................................ 479
Preparing and checking before winter ................................... 390
Cooling system ..................................... 479 Hybrid system overheating ..........574
Cornering lights .................................... 252
Cruise control Cruise control..................................... 335
Dynamic radar cruise control...... 323
Dynamic radar cruise control with full-speed range ....................... 311
Cup holders ............................................ 423
Curtain shield airbags ........................... 39
Customizable features ....................... 607
Customized mode ................................377 Daytime running light system.......... 253
Defogger
Outside rear view mirrors ............409
Rear window........................................409
Windshield............................................409
Differential .............................................. 588
Dimension ............................................... 582
Dinghy towing ......................................... 231
Display Dynamic radar cruise control ..... 323
Dynamic radar cruise control with full-speed range .......................311
Energy monitor..................................... 124
LDA (Lane Departure Alert with steering control) ...................306
LKA (Lane-Keeping Assist)......... 297
Multi-information display.................102
Warning messages .......................... 543
Do-it-yourself maintenance............... 471
Doors Automatic door locking and unlocking system..............................139
Door lock................................................ 138
Outside rear view mirrors ............. 185
Power back door ................................ 142
Rear door child-p rotectors ............139
Side doors ...............................................136
Side windows ....................................... 189
Drive information ................................... 106
Drive-start control .................... 205, 242
Driver’s seat belt reminder light .... 538
Driver’s seat position memory.......... 174D
650Alphabetical index
RX450h_U_OM0E013U
Multi-information displayAWD Control display ...................... 107
Clock........................................................... 97
Drive information ................................ 106
Dynamic radar cruise control...... 323
Dynamic radar cruise control with full-speed range ....................... 311
Energy monitor .....................................124
G-force display....................................108
Language .................................................. 113
LDA (Lane Departure Alert with steering control) .................. 306
LKA (Lane-Keeping Assist) ......... 297
Outside temperature .......................... 97
Settings ..................................................... 109
Suggestion function ............................. 116
Sway warning display ....................... 107
Warning messages...........................543
Navigation system
*
Noise from under vehicle ....................... 8 Odometer .................................................. 115
Oil
Engine oil .............................................. 585
Rear differential oil ........................... 588
Opener Fuel filler door...................................... 269
Hood........................................................ 473
Power back door ................................ 143
Outside rear view mirrors ..................185 Adjusting and folding ....................... 185
Blind Spot Monitor (BSM) ........... 363
Linked mirror function when reversing..................................187
Mirror position memory .................. 174
Outside rear view mirror defoggers...........................................409
Outside temperature display .............. 97
Overheating............................................574
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