2015 LEXUS RX450h brake fluid

7325-1. Essential information
If you think something is wrong If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
■ Visible symptoms
● Fluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temper ature gauge needle continually points
higher than normal.
■ Audible symptoms
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the hybrid system
■ Operational symptoms
● Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking.
● Vehicle pulls heavily to one side when driving on a level road.
● Loss of brake effectiveness, sp ongy feeling, pedal almost touches
the floor

5
When trouble arises
7335-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds...Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
The following warning in dicates a possible problem in the brake system.
Immediately stop the vehi cle in a safe place and contact your Lexus
dealer.
* : Parking brake engaged warning buzzer
 P. 74 8
Stop the vehicle immediately.
The following warning indicates the po ssibility of damage to the vehicle
that may lead to an ac cident. Immediately stop the vehicle in a safe place
and contact your Lexus dealer. Warning light Warning light/Details
(U.S.A.)

(Canada) Brake system warning light (warning buzzer)
*•Low brake fluid
• Malfunction in the brake system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released the system is operating normally.
Warning light Warning light/Details
Charging system warning light
Indicates a malfunction in the vehicle’s charging systemCalmly perform the following actions if any of the warning lights comes on
or flashes. If a light comes on or flashes, but then goes off, this does not nec-
essarily indicate a malfunction in the system.

5
When trouble arises
7435-2. Steps to take in an emergency
If a warning message is displayed
Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
The following warning in dicates a possible problem in the brake system.
Immediately stop the vehi cle in a safe place and contact your Lexus
dealer.
Wa r n i n g m e s s a g e Details
(U.S.A.)

(Canada) Indicates the following:
• The brake fluid level is low; or,
• The brake system is malfunctioning.
A buzzer also sounds.
Indicates a malfunction in:
• The regenerative brake system; or,
• The electronically controlled brake system
A buzzer also sounds.If a warning is shown on the multi-information display, stay calm and per-
form the following actions:
Master warning light The master warning light also
comes on or flashes in order to
indicate that a message is cur-
rently being displayed on the
multi-information display.
Multi-information display
If any of the warning lights comes on again after the following actions
have been performed, contact your Lexus dealer.

5
When trouble arises
7495-2. Steps to take in an emergency
Indicates that the back
door is not fully closed
If the vehicle reaches a
speed of 3 mph
(5 km/h), a buzzer
sounds to indicate that
the back door is not yet
fully closed. Close the back door.
(Flashes)
(If equipped) Indicates that the moon
roof is not fully closed
(with the “POWER”
switch off, and the driver's
door open) Close the moon roof.
Indicates that the parking
brake is still engaged
If the vehicle reaches a
speed of 3 mph
(5 km/h),
flashes and a buzzer
sounds to indicate that
the parking brake is still
engaged. Release the parking
brake.
Indicates that the washer
fluid level is low Add washer fluid.Wa r n i n g m e s s a g e Details Correction procedure

8066-1. Specifications
Brakes
* 1
: Minimum pedal clearance when depressed with a force of 112 lbf (500 N, 51
kgf) while the hybrid system is operating
* 2
: Parking brake pedal travel when depressed with a force of 67.5 lbf (300 N, 31
kgf)
SteeringPe d a l c l e a r a n c e
* 1
4.1 in. (104 mm) Min.
Pedal free play 0.04 
0.08 in. (1 
2 mm)
Brake pad wear limit 0.04 in. (1.0 mm)
Parking brake lining wear limit 0.04 in. (1.0 mm)
Parking brake pedal travel
* 2
7 
10 clicks
Fluid type SAE J1703 or FMVSS No.116 DOT 3
Free play Less than 1.2 in. (30 mm)

861Alphabetical index
Audio system
(Lexus Display Audio system)
Antenna ................................................... 377
Audio input ...........................................408
AUX port ..............................................408
Bluetooth ®
audio system ...............410
CD player .............................................380
Hands-free system for mobile
phone................................................... 429
iPod ............................................................ 391
MP3/WMA disc .................................381
Optimal use...........................................424
Portable audio device.....................408
Radio ...................................................... 365
Steering wheel audio switch........ 426
USB memory ...................................... 399
USB port..................................... 391, 399
Automatic air conditioning system*
Air conditioning filter .......................685
Automatic air conditioning
system* ................................... 342, 350
Automatic headlight leveling
system .................................................... 220
Automatic light control system ........ 217
AUX port ...................................... 408, 541
Auxiliary boxes ............................592, 612 Back door
Back door ................................................. 75
Wireless remote control ...................69
Back-up lights
Replacing light bulbs ....................... 708
Wattage ................................................. 809
Battery
Checking .............................................. 664
Hybrid battery
(traction batt ery) ................................ 34
If the vehicle has a discharged
12-volt battery...................................784
Preparing and checking
before winter ....................................302
Blind Spot Monitor...............................286
Bluetooth ®
audio* ...................... 410, 519
Bluetooth ®
phone* ..................429, 547
Bottle holders .........................................587
Brake
Fluid.......................................................... 806
Parking brake ....................................... 195
Brake assist................................................271
Break-in tips ..............................................167
BSM............................................................286
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”. B

864Alphabetical index
Engine
Accessory mode ................................. 177
Compartment .....................................654
Hood......................................................... 651
How to start the hybrid
system .................................................... 177
Identification number....................... 799
If the hybrid system will
not start ................................................777
Ignition switch........................................ 177
Overheating.........................................788
“POWER” switch ................................ 177
Engine compartment cover .............655
Engine coolant
Capacity ................................................ 804
Checking ...............................................659
Preparing and checking
before winter .................................... 302
Engine coolant temperature
gauge....................................................... 197
Engine oil
Capacity .................................................802
Checking ...............................................656
Preparing and checking
before winter .................................... 302
EPS ...............................................................271
EV drive mode ........................................ 183
Event data recorder ............................... 25 Floor mat ................................................... 610
Fluid
Brake .......................................................806
Washer................................................... 663
Fog lights
Replacing light bulbs ....................... 708
Switch .........................................................221
Wattage .................................................809
Footwell light .......................................... 582
Front fog lights
Replacing light bulbs ....................... 708
Switch .........................................................221
Wattage .................................................809
Front passenger occupant
classification system ...........................145
Front passenger's seat belt
reminder light ..................................... 736
Front seats
Adjustment .............................................. 86
Driving position memory ..................93
Flattening seatbacks ............................87
Front side marker lights
Replacing light bulbs ....................... 708
Front turn signal lights
Replacing light bulbs ....................... 708
Wattage .................................................809F

873Alphabetical index
Warning messages
Anti-lock brake system .................. 745
AWD system ............................744, 745
Brake lamp system ........................... 745
Brake system ........................................743
Dynamic radar cruise
control system ..................... 745, 748
Electric power steering .................. 745
Engine oil maintenance.................. 748
Engine oil pressure............................744
Engine overheat................................. 748
Headlight leveling ............................. 745
Hood ....................................................... 748
Intuitive parking assist ......... 745, 748
Low fuel .................................................. 748
Moon roof ............................................. 748
Open door ........................................... 748
Parking brake ...................................... 748
Pre-collision system ............. 745, 748
Smart access system with
push-button start............................ 756
SRS airbags .......................................... 745
Steering lock ........................................ 745
Washer fluid......................................... 748 Washer
Checking .............................................. 663
Preparing and checking
before winter ....................................302
Switch....................................................... 223
Washing and waxing ........................... 634
Weight
Cargo capacity .................................... 301
Load limits .............................................. 301
Weight.................................................... 798
Wheels ......................................................683
Window glasses ...................................... 112
Window lock switch ............................... 112
Windows
Power windows ..................................... 112
Rear window defogger* ............... 358
Washer ................................................... 223
Windshield wiper de-icer* ...............360
Windshield wipers................................ 223
Wireless remote control....................... 69
Wireless remote control key
Replacing the battery...................... 687
WMA disc* ...................................381, 493
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.