2015 Lexus ES300h brake

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7-2. Maintenance
General maintenance
Listed below are the general maintenance items that should be per-
formed at the intervals specified in the “Warranty and Service Guide”
or “Owner’s Manual Supplement”. It is recommended that any prob-
lem you notice should be brought to the attention of your Lexus dealer
or qualified service shop for advice.
Engine compartment
ItemsCheck points
12-volt battery (gasoline vehicles)Check the battery fluid level and
connections. ( →P. 5 5 7 )
Brake fluidIs the brake fluid at the correct level?
(→ P. 5 5 6 )
Engine coolant (gasoline vehicles)Is the engine coolant at the correct
level? ( →P. 553)
Engine/power control unit coolant
(hybrid vehicles)Is the engine/power control unit coolant
at the correct level? ( →P. 553)
Engine oilIs the engine oil at the correct level?
(→ P. 5 4 8 )
Exhaust systemThere should not be any fumes or
strange sounds.
Radiator/condenserThe radiator and condenser should be
free from foreign objects. ( →P. 555)
Wa s h e r f l u i dIs there sufficient washer fluid?
(→ P. 5 6 1 )
Luggage compartment
ItemsCheck points
12-volt battery (hybrid vehicles)Check the connections. ( →P. 5 6 2 )

ES350_300h_OM_OM33B36U_(U)
5337-2. Maintenance
7
Maintenance and care
Ve h i c l e i n t e r i o r
ItemsCheck points
Accelerator pedal
• The accelerator pedal should movesmoothly (without uneven pedal
effort or catching).
Automatic transmission “Park” mecha-
nism (gasoline vehicles)/Hybrid trans-
mission “Park” mechanism (hybrid
vehicles)• When parked on a slope and the shiftlever is in P, is the vehicle securely
stopped?
Brake pedal
• Does the brake pedal movesmoothly?
• Does the brake pedal have appropri- ate clearance from the floor? (→ P. 711)
• Does the brake pedal have the cor- rect amount of free play? (→ P. 711)
Brakes
• The vehicle should not pull to one
side when the brakes are applied.
• The brakes should work effectively.
• The brake pedal should not feel spongy.
• The brake pedal should not get too close to the floor when the brakes are
applied.

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7-2. Maintenance
Head restraints• Do the head restraints movesmoothly and lock securely?
Indicators/buzzers• Do the indicators and buzzers func-tion properly?
Lights• Do all the lights come on?
• Are the headlights aimed correctly?
Parking brake
• Does the parking brake pedal movesmoothly?
• When parked on a slope and the parking brake is on, is the vehicle
securely stopped?
Seat belts
• Do the seat belts operate smoothly?
• The seat belts should not be dam-aged.
Seats• Do the seat controls operate prop-erly?
Steering wheel
• Does the steering wheel rotatesmoothly?
• Does the steering wheel have the correct amount of free play?
• There should not be any strange sounds coming from the steering
wheel.
ItemsCheck points

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7-3. Do-it-yourself maintenance
7
Maintenance and care
Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the correct
procedure as given in these sections.
ItemsPa r t s a n d t o o l s
12-volt battery condition
(gasoline vehicles) (→P. 5 5 7 )
•Warm water
•Baking soda
•Grease
• Conventional wrench
(for terminal clamp bolts)
• Distilled water
12-volt battery condition
(hybrid vehicles) ( →P. 5 6 2 )•Grease
• Conventional wrench (for terminal
clamp bolts)
Brake fluid level ( →P. 5 5 6 )
•FMVSS No.116 DOT 3 or SAE J1703
brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine coolant level
(gasoline vehicles) ( →P. 553)
• “Toyota Super Long Life Coolant” or
a similar high quality ethylene glycol-
based non-silicate, non-amine, non-
nitrite and non-borate coolant with
long-life hybrid organic acid technol-
ogy
For the U.S.A.:
“Toyota Super Long Life Coolant” is
pre-mixed with 50% coolant and
50% deionized water.
For Canada:
“Toyota Super Long Life Coolant” is
pre-mixed with 55% coolant and
45% deionized water.
• Funnel (used only for adding coolant)
Engine/power control unit coolant level
(hybrid vehicles) ( →P. 553)

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7-3. Do-it-yourself maintenance
CAUTION
■When raising your vehicle
Make sure to observe the following precautions to reduce the possibility of death
or serious injury:
●When using a floor jack, follow the instructions of the manual provided with the
jack.
●Do not use the jack that was supplied with your vehicle.
●Do not put any part of your body underneath the vehicle when it is supported
only by the floor jack.
●Always use floor jack and/or automotive jack stands on a solid, flat, level surface.
●Do not start the engine while the vehicle is supported by the floor
jack.
●Stop the vehicle on level, firm ground, firmly set the parking brake and shift the
shift lever to P.
●Make sure to set the floor jack properly at the jack point.
Raising the vehicle with an improperly positioned floor jack will damage the vehi-
cle and may cause the vehicle to fall off the floor jack.
●Do not raise the vehicle while someone is in the vehicle.
●When raising the vehicle, do not place any object on top of or underneath the
floor jack.
●Lift up the vehicle using a floor jack such as
the one shown in the illustration.

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7-3. Do-it-yourself maintenance
7
Maintenance and care
Engine compartment
XGasoline vehicles (2GR-FE engine)
Washer fluid tank (→P. 561)
Engine oil filler cap (→P. 5 5 0 )
Engine oil level dipstick (→P. 548)
Engine coolant reservoir (→P. 553) Brake fluid reservoir
(→P. 5 5 6 )
Fuse box ( →P. 586)
12-volt battery ( →P. 5 5 7 )
Electric cooling fans
Condenser ( →P. 555)
Radiator ( →P. 555)1
2
3
4
5
6
7
8
9
10

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7-3. Do-it-yourself maintenance
XHybrid vehicles (2AR-FXE engine)
■12-volt battery (hybrid vehicles)
→P. 5 6 2
Washer fluid tank ( →P. 561)
Fuse boxes ( →P. 586)
Power control unit coolant
reservoir ( →P. 553)
Engine oil level dipstick (→P. 548)
Engine oil filler cap (→P. 5 5 0 ) Engine coolant reservoir
(→P. 553)
Brake fluid reservoir (→P. 5 5 6 )
Power control unit coolant
radiator ( →P. 555)
Electric cooling fans
Condenser ( →P. 555)
Engine coolant radiator (→P. 555)1
2
3
4
5
6
7
8
9
10
11

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7-3. Do-it-yourself maintenance
■Checking fluid level
The brake fluid level should be between the “MAX” and “MIN” lines on
the tank.
■Adding fluid
Make sure to check the fluid type and prepare the necessary item.
■Brake fluid can absorb moisture from the air
Excess moisture in the brake fluid can cause a dangerous loss of braking efficiency.
Use only newly opened brake fluid.
Brake fluid
XGasoline vehiclesXHybrid vehicles
Fluid typeFMVSS No.116 DOT 3 or SAE J1703 brake fluid
Items Clean funnel
CAUTION
■When filling the reservoir
Take care as brake fluid can harm your hands and eyes and damage painted sur-
faces. If fluid gets on your hands or in your eyes, flush the affected area with clean
water immediately. If you still experience discomfort, see a doctor.