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7
1
8 7
6
5
4
3
2
ES350 300h_OM_OM33A01U_(U)
9
If the 12-volt battery is discharged (gasoline
vehicles) ......................................805
If the 12-volt battery is discharged (hybrid
vehicles) ......................................809
If your vehicle overheats (gasoline vehicles) ................... 813
If your vehicle overheats (hybrid vehicles) ....................... 816
If the vehicle becomes stuck ............................................. 820
8-1. Specifications Maintenance data (fuel, oil level, etc.) .................. 824
Fuel information.......................... 837
Tire information...........................840
8-2. Customization Customizable features ............ 852
8-3. Items to initialize Items to initialize ......................... 865 Reporting safety defects
for U.S. owners.....................................868
Seat belt instructions for Canadian owners
(in French) .............................................. 869
SRS airbag instructions for Canadian owners
(in French) ................................................ 871
What to do if... (Troubleshooting) ............................... 882
Alphabetical index ............................... 888
8Vehicle specifications
9For owners
Index
For vehicles with a navigation sy stem, refer to the “Navigation System
Owner’s Manual” for information rega rding the equipment listed below.
• Navigation system
• Air conditioning controls
• Windshield wiper de-icer
• Audio/video system
• Rear window and outside rear view mirror defogging
• Lexus Enform with Safety Connect
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ES350 300h_OM_OM33A01U_(U)
6-2. 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. 6 8 5 )
Brake fluidIs the brake fluid at the correct level?
( P. 6 8 4 )
Engine coolant (gasoline vehicles)Is the engine coolant at the correct
level? ( P. 6 8 1 )
Engine/power control unit coolant
(hybrid vehicles)Is the engine/power control unit coolant
at the correct level? ( P. 6 8 1 )
Engine oilIs the engine oil at the correct level?
( P. 6 76 )
Exhaust systemThere should not be any fumes or
strange sounds.
Radiator/condenserThe radiator and condenser should be
free from foreign objects. ( P. 6 8 3 )
Wa s h e r f l u i dIs there sufficient washer fluid?
( P. 6 8 9 )
Luggage compartment
ItemsCheck points
12-volt battery (hybrid vehicles)Check the connections. ( P. 6 9 0 )
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ES350 300h_OM_OM33A01U_(U)
6-3. Do-it-yourself maintenance
Engine oil level (P. 6 76 )
• “Toyota Genuine Motor Oil” or
equivalent
•Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( P. 7 1 2 )• Fuse with same amperage rating as
original
Light bulbs ( P. 7 2 4 )
• Bulb with same number and wattage
rating as original
• Phillips-head screwdriver
•Flathead screwdriver
•Wrench
Radiator and condenser ( P. 6 8 3 )
Tire inflation pressure ( P. 7 0 3 )• Tire pressure gauge
• Compressed air source
Wa s h e r f l u i d ( P. 6 8 9 )
• Water or washer fluid containing anti-
freeze (for winter use)
• Funnel (used only for adding water or washer fluid)
ItemsPa r t s a n d t o o l s
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ES350 300h_OM_OM33A01U_(U)
6-3. Do-it-yourself maintenance
6
Maintenance and care
Engine compartment
Gasoline vehicles (2GR-FE engine)
Washer fluid tank (P. 689)
Engine oil filler cap (P. 6 7 8 )
Engine oil level dipstick (P. 6 76 )
Engine coolant reservoir (P. 6 8 1 ) Brake fluid reservoir
(P. 684)
Fuse box ( P. 712)
12-volt battery ( P. 685)
Electric cooling fans
Condenser ( P. 683)
Radiator ( P. 683)1
2
3
4
5
6
7
8
9
10
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ES350 300h_OM_OM33A01U_(U)
6-3. Do-it-yourself maintenance
Hybrid vehicles (2AR-FXE engine)
■12-volt battery (hybrid vehicles)
P. 6 9 0
Washer fluid tank ( P. 689)
Fuse boxes ( P. 712)
Power control unit coolant
reservoir ( P. 6 8 1 )
Engine oil level dipstick (P. 6 76 )
Engine oil filler cap (P. 6 7 8 ) Engine coolant reservoir
(P. 6 8 1 )
Brake fluid reservoir (P. 684)
Power control unit coolant
radiator ( P. 683)
Electric cooling fans
Condenser ( P. 683)
Engine coolant radiator (P. 683)1
2
3
4
5
6
7
8
9
10
11
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ES350 300h_OM_OM33A01U_(U)
6-3. Do-it-yourself maintenance
With the engine at operating temperature and turned off, check the oil
level on the dipstick.
■Checking the engine oil
Park the vehicle on level ground.
Gasoline 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.
Hybrid 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
Gasoline vehiclesHybrid vehicles
3
4
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ES350 300h_OM_OM33A01U_(U)
6776-3. Do-it-yourself maintenance
6
Maintenance and care
Holding a rag under the end, pull the dipstick out and check the oil
level.
Wipe the dipstick and reinsert it fully.5
Gasoline vehiclesHybrid vehicles
Low
Full Low
Measuring side
Full
1
2
1
2
3
6
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ES350 300h_OM_OM33A01U_(U)
6-3. Do-it-yourself maintenance
■Adding engine oil
If the oil level is below or near the low level mark, add engine oil of the
same type as that already in the engine.
Make sure to check the oil type and prepare the items needed before
adding oil.
Remove the oil filler cap by turning it counterclockwise.
Add engine oil slowly, checking the dipstick.
Install the oil filler cap by turning it clockwise.
Gasoline vehiclesHybrid vehicles
Engine oil selection P. 8 3 0
Oil quantity
(Low Full) 1.6 qt. (1.5 L, 1.3 Imp.qt.)
Items
Clean funnel
1
2
3