Lexus ES350 2015 Owner's Manual - ES 300h, ES 350

ES350_300h_OM_OM33B99U_(U)
5397-3. Do-it-yourself maintenance
7
Maintenance and care
CAUTION
The engine compartment contains many mechanisms and fluids that may move sud-
denly, become hot, or become electrically energized. To avoid death or serious
injury, observe the following precautions.
■When working on the engine compartment
●Hybrid vehicles: Make sure that the “POWER ON” on the multi-information dis-
play and the “READY” indicator are both off.
●Keep hands, clothing and tools away from the moving fan and engine drive belt.
●Gasoline vehicles: Be careful not to touch the engine, radiator, exhaust manifold,
etc. right after driving as they may be hot. Oil and other fluids may also be hot.
●Hybrid vehicles: Be careful not to touch the engine, power control unit, radiator,
exhaust manifold, etc. right after driving as they may be hot. Oil and other fluids
may also be hot.
●Do not leave anything that may burn easily, such as paper and rags, in the engine
compartment.
●Gasoline vehicles: Do not smoke, cause sparks or expose an open flame to fuel
or the 12-volt battery. Fuel and 12-volt battery fumes are flammable.
●Hybrid vehicles: Do not smoke, cause sparks or expose an open flame to fuel.
Fuel fumes are flammable.
●Gasoline vehicles: Be extremely cautious when working on the 12-volt battery. It
contains poisonous and corrosive sulfuric acid.

540
ES350_300h_OM_OM33B99U_(U)
7-3. Do-it-yourself maintenance
CAUTION
■When working near the electric cooling fans or radiator grille
Be sure the “START STOP ENGINE” <“POWER”> switch is off.
With the “START STOP ENGINE” <“POWER”> switch in IGNITION ON
mode, the electric cooling fans may automatically start to run if the air conditioning
is on and/or the coolant temperature is high. (→P. 555)
■Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from get-
ting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear due to
dirt in the air.

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ES350_300h_OM_OM33B99U_(U)
7-3. Do-it-yourself maintenance
7
Maintenance and care
Hood
Pull the hood lock release lever.
The hood will pop up slightly.
Pull up the auxiliary catch lever
and lift the hood.
Release the lock from the inside of the vehicle to open the hood.
1
2
CAUTION
■Pre-driving check
Check that the hood is fully closed and locked.
If the hood is not locked properly, it may open while the vehicle is in motion and
cause an accident, which may result in death or serious injury.

542
ES350_300h_OM_OM33B99U_(U)
7-3. Do-it-yourself maintenance
Positioning a floor jack
◆Front
XGasoline vehicles
XHybrid vehicles
When raising your vehicle with a floor jack, position the jack correctly.
Improper placement may damage your vehicle or cause injury.

ES350_300h_OM_OM33B99U_(U)
5437-3. Do-it-yourself maintenance
7
Maintenance and care
◆Rear
XGasoline vehicles
XHybrid vehicles

544
ES350_300h_OM_OM33B99U_(U)
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.

545
ES350_300h_OM_OM33B99U_(U)
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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ES350_300h_OM_OM33B99U_(U)
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

ES350_300h_OM_OM33B99U_(U)
5477-3. Do-it-yourself maintenance
7
Maintenance and care
■Removing the engine compartment cover
■Installing the clipsPush up center portion
Insert
Press
Engine compartment cover
1
2
3
NOTICE
■Checking the engine compartment cover after installation
Make sure that the cover is securely installed in its original position.

548
ES350_300h_OM_OM33B99U_(U)
7-3. Do-it-yourself maintenance
With the engine at operating temperature and turned off, check the oil
level on the dipstick.
■Checking the engine oilPark the vehicle on level ground.
XGasoline vehicles
After warming up the engine and turning it off, wait more than 5 minutes for
the oil to drain back into the bottom of the engine.
XHybrid vehicles
After warming up the engine and turning off the hybrid system, wait more than
5 minutes for the oil to drain back into the bottom of the engine.
Holding a rag under the end, pull the dipstick out.
Wipe the dipstick clean.
Reinsert the dipstick fully.
Engine oil
1
2
XGasoline vehiclesXHybrid vehicles
3
4