2018 Lexus ES300h check oil

ES300h_OM_OM33D45U_(U)
4937-3. Do-it-yourself maintenance
7
Maintenance and care
WARNING
■Replacing light bulbs
●Turn off the lights. Do not attempt to replace the bulb immediately after turning off the
lights.
The bulbs become very hot and may cause burns.
●Do not touch the glass portion of the light bu lb with bare hands. When it is unavoid-
able to hold the glass portion, use and hold with a clean dry cloth to avoid getting
moisture and oils on the bulb.
Also, if the bulb is sc ratched or dropped, it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failure to do so may result
in heat damage, fire, or water entering th e headlight unit. This may damage the head-
lights or cause condensation to build up on the lens.
■To prevent damage or fire
●Make sure bulbs are fully seated and locked.
●Check the wattage of the bulb before installing to prevent heat damage.

5118-2. Steps to take in an emergency
ES300h_OM_OM33D45U_(U)
8
When trouble arises
■If “Maintenance Required Visit Your Dealer” is shown (U.S.A. only)
Indicates that all maintenance is required to correspond to the driven distance on the
maintenance schedule
*.
Comes on approximately 5000 miles (8000 km) after the message has been reset.
(The indicator will not work properly unless the message has been reset.)
Perform the necessary maintenance. Please reset the message after the maintenance is
performed (→ P. 437)
*: Refer to the separate “Scheduled Maintena nce” or “Owner’s Manual Supplement” for
the maintenance interval applicable to your vehicle.
■If “Oil Maintenance Required Soon” is shown
Indicates that the engine oil is scheduled to be changed. (The indicator will not work
properly unless the oil mainte nance data has been reset.)
Check the engine oil, and change if necessary. After changing the engine oil, the oil
change system should be reset. ( →P. 451)
■If “Oil Maintenance Required” is shown
Indicates that the engine oil should be changed. (After the engine oil is changed and the
oil maintenance data has been reset.)
Check and change the engine o il, and oil filter by your Lexus dealer. After changing the
engine oil, the oil change system should be reset. (→ P. 451)
■If “Power Turned Off to Save Battery” is shown
Power was turned off due to the automatic power off function.
Next time when starting the hybrid system, operate the hybrid system for approximately
5 minutes to recharge the 12-volt battery.
■If “Forward Camera System Unavailable” or “Forward Camera System Unavailable
Clean Windshield” is displayed.
The following systems may be suspended until the problem shown in the message is
resolved. ( →P. 215, 503)
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert with steering control)
●Dynamic radar cruise control
●Automatic High Beam
■When a message that indicates the need for the shift lever operation is shown
To prevent the shift lever from being operat ed incorrectly or the vehicle from moving
unexpectedly, a message that re quires shifting the shift lever may be shown on the multi-
information display. In that case, follow the instruction of the message and shift the shift
lever.
■If “Visit Your Dealer” is shown
The system or part shown on the multi-info rmation display is malfunctioning. Have the
vehicle inspected by your Lexus dealer immediately.

5128-2. Steps to take in an emergency
ES300h_OM_OM33D45U_(U)
■If “See Owner’s Manual” is shown
●If the following message is shown, following the instructions, accordingly.
• “Engine Coolant Temp High” ( →P. 531)
●If the following messages are sh own, there may be a malfunction.
Immediately have the vehicle inspected by your Lexus dealer.
• “Check Access System with Elec. Key”
• “Hybrid System Malfunction”
●If the following messages are sh own, there may be a malfunction.
Immediately stop the vehicle in a safe place and contact your Lexus dealer. Continuing
to drive the vehicle may be dangerous.
• “Braking Power Low Stop in a Safe Place”
• “Charging System Malfunction”
• “Oil Pressure Low Stop in a Safe Place”
■Warning buzzer
In some cases, the buzzer may not be heard because of noisy place or an audio sound.

ES300h_OM_OM33D45U_(U)
5419-1. Specifications
9
Vehicle specifications
*: The engine oil capacity is a reference quantity to be used when changing the engineoil. Warm up the engine and turn off the hybrid system, wait more than 5 minutes, and
check the oil level on the dipstick.
Hybrid battery (Traction battery)
TypeNickel-metal hydride battery
Voltage7.2 V/module
Capacity6.5 Ah (3HR)
Quantity34 modules
Overall voltage244.8 V
Lubrication system
Oil capacity
(Drain and refill ⎯ reference
*)
With filter4.6 qt. (4.4 L, 3.9 Imp.qt.)
Without filter4.2 qt. (4.0 L, 3.5 Imp.qt.)

592Alphabetical index
ES300h_OM_OM33D45U_(U)
Emergency, in case ofIf a warning buzzer sounds................................................. 503
If a warning light turns on.............. 503
If a warning message is displayed ....................................... 509
If the 12-volt battery is discharged ......................................... 527
If the electronic key does not operate properly ....... 525
If the hybrid system will not start ................................................523
If you have a flat tire ........................... 513
If you think something is wrong.............................................. 502
If your vehicle becomes stuck ..................................................... 535
If your vehicle has to be stopped in an emergency .......... 497
If your vehicle needs to be towed ...................................... 498
If your vehicle overheats ................. 531
Emergency flashers ............................. 496
Energy monitor .........................................97 Engine
Accessory mode .................................169
Compartment ..................................... 447
Hood........................................................ 445
How to start the hybrid system ................................................... 168
Identification number.......................540
Ignition switch (power switch) ..... 168
Overheating...........................................531
Power switch. ....................................... 168
Engine compartment cover............. 448
Engine coolant Capacity................................................. 543
Checking ............................................... 453
Preparing and checking before winter ....................................280
Engine coolant temperature gauge ........................................................ 86
Engine oil Capacity...................................................541
Checking ............................................... 449
Preparing and checking before winter ....................................280