Page 820 of 917

8197-2. Steps to take in an emergency
ES350_300h_OM_OM33A60U_(U)
7
When trouble arises
■Starting the hybrid system when the 12-volt battery is discharged
The hybrid system cannot be started by push-starting.
■To prevent 12-volt battery discharge
●Turn off the headlights and the audio system while the hybrid system is off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic.
■Charging the 12-volt battery
The electricity stored in the 12-volt battery will discharge gradually even when the
vehicle is not in use, due to natural discharge and the draining effects of certain elec-
trical appliances. If the vehicle is left for a long time, the 12-volt battery may dis-
charge, and the hybrid system may be unable to start. (The 12-volt battery recharges
automatically while the hybrid system is operating.)
■When recharging or replacing the 12-volt battery
●Make sure that the key is not inside the vehicle when recharging or replacing the
12-volt battery. The key may be locked in the vehicle if the alarm is activated.
( P. 8 7 )
●In some cases, it may not be possible to unlock the doors using the smart access
system with push-button start when the 12-volt battery is discharged. Use the wire-
less remote control or the mechanical key to lock or unlock the doors.
●The hybrid system may not start on the fir st attempt after the 12-volt battery has
recharged but will start normally after the second attempt. This is not a malfunction.
●The “POWER” switch mode is memorized by the vehicle. When the 12-volt battery
is reconnected, the system will return to the mode it was in before the 12-volt bat-
tery was discharged. Before disconnectin g the 12-volt battery, turn the “POWER”
switch off.
If you are unsure what mode the “POWER” switch was in before the 12-volt battery
discharged, be especially careful when reconnecting the 12-volt battery.
Page 821 of 917

8207-2. Steps to take in an emergency
ES350_300h_OM_OM33A60U_(U)
CAUTION
■Avoiding 12-volt battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable
gas that may be emi tted from the battery:
●Make sure each jumper cable is connected to the correct terminal and that it is
not unintentionally in contact with any other than the intended terminal.
●Do not allow the other end of the jumper cable connected to the “+” terminal to
come into contact with any other parts or metal surfaces in the area, such as
brackets or unpainted metal.
●Do not allow the + and - clamps of the jumper cables to come into contact with
each other.
●Do not smoke, use matches, cigarette lighters or allow open flame near the bat-
tery.
■12-volt battery precautions
The 12-volt battery contains poisonous and corrosive acidic electrolyte, while
related parts contain lead and lead compounds. Observe the following precau-
tions when handling the 12-volt battery:
●When working with the 12-volt battery, al ways wear safety glasses and take care
not to allow any 12-volt battery fluids (aci d) to come into contact with skin, cloth-
ing or the vehicle body.
●Do not lean over the 12-volt battery.
●In the event that 12-volt battery fluid comes into contact with the skin or eyes,
immediately wash the affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medical attention can be
received.
●Always wash your hands after handling th e 12-volt battery support, terminals, and
other battery-related parts.
●Do not allow children near the 12-volt battery.
■After recharging the 12-volt battery
Have the 12-volt battery inspected at yo ur Lexus dealer as soon as possible.
If the 12-volt battery is deteriorating, continued use may cause the 12-volt battery
to emit a malodorous gas, which may be detrimental to the health of passengers.
■When replacing the 12-volt battery
P. 7 0 1
Page 842 of 917
ES350_300h_OM_OM33A60U_(U)
8418-1. Specifications
8
Vehicle specifications
Gasoline vehicles
Hybrid vehicles
Electrical system
12-volt battery
Specific gravity reading
at 68F (20 C): 1.250 — 1.290 Fully charged
1.160 — 1.200 Half charged
1.060 — 1.100 Discharged
Charging rates
Quick charge
Slow charge15 A max.
5 A max.
12-volt battery
Open voltage at 68 F
(20 C):12.5 V or higher: Fully charged
11.0 — 12.4 V: Half charged
10.9 V or lower: Discharged
(Voltage is checked 20 minutes after the hybrid sys-
tem and all lights are turned off.)
Charging rates4 — 5 A
Page 847 of 917
846
ES350_300h_OM_OM33A60U_(U)
8-1. Specifications
A: HB3 halogen bulbsB: H11 halogen bulbs
C: D4S discharge bulbs D: H16 halogen bulbs E: Wedge base bulbs (amber)F: Wedge base bulbs (clear)
*:If equipped
Light bulbs
Light BulbsBulb No.WTy p e
Exterior
Headlights High beam
Low beam (halogen bulbs)
Low beam (discharge bulbs)
9005
605535A B
C
Fog lights*19D
Front turn signal lights7444NA28 /8E
Front side marker lightsW5W5F
Rear turn signal lightsWY21W21E
Back-up lightsW16W16F
Outer foot lightsW5W5F
Interior
Door courtesy lights5F
Vanity lights5F
Interior light8F
Pe r s o n a l l i g h t s8F
Tr u n k l i g h t5F
Page 850 of 917

ES350_300h_OM_OM33A60U_(U)
8498-1. Specifications
8
Vehicle specifications
■Non-recommendation of the use of gasoline containing MMT
Some gasoline contains an octane enhanc ing additive called MMT (Methylcyclo-
pentadienyl Manganese Tricarbonyl).
Lexus does not recommend the use of gasoli ne that contains MMT. If fuel containing
MMT is used, your emission control system may be adversely affected.
The malfunction indicator lamp on the instrument cluster may come on. If this hap-
pens, contact your Lexus dealer for service.
■If your engine knocks
●Consult your Lexus dealer.
●You may occasionally notice light knocking for a short time while accelerating or
driving uphill. This is normal and there is no need for concern.
NOTICE
■Notice on fuel quality
●Do not use improper fuels. If improper fuels are used, the engine will be dam-
aged.
●Do not use leaded gasoline.
Leaded gasoline can cause damage to your vehicle’s three-way catalytic convert-
ers causing the emission control system to malfunction.
●Do not use gasohol other than the type previously stated.
Other gasohol may cause fuel system damage or vehicle performance problems.
●Using unleaded gasoline with an octane number or rating lower than the level
previously stated will cause persistent heavy knocking.
At worst, this will lead to engine damage.
■Fuel-related poor driveability
If poor driveability is encountered after us ing a different type of fuel (poor hot start-
ing, vaporization, engine knocking, etc.), discontinue the use of that type of fuel.
■When refueling with gasohol
Take care not to spill gasohol. It can damage your vehicle’s paint.
Page 860 of 917

ES350_300h_OM_OM33A60U_(U)
8598-1. Specifications
8
Vehicle specifications
CT
A pneumatic tire with an inverted flange tire and rim
system in which the rim is designed with rim flanges
pointed radially inward and the tire is designed to fit
on the underside of the rim in a manner that encloses
the rim flanges inside the air cavity of the tire
Extra load tire
A tire designed to operate at higher loads and at
higher inflation pressures than the corresponding
standard tire
GrooveThe space between two adjacent tread ribs
InnerlinerThe layer(s) forming the inside surface of a tubeless
tire that contains the inflating medium within the tire
Innerliner separationThe parting of the innerliner from cord material in the
carcass
Intended outboard side-
wall
(a) The sidewall that contains a whitewall, bears
white lettering, or bears manufacturer, brand,
and/or model name molding that is higher or
deeper than the same molding on the other side-
wall of the tire, or
(b) The outward facing sidewall of an asymmetrical tire that has a particular side that must always
face outward when mounted on a vehicle
Light truck (LT) tire
A tire designated by its manufacturer as primarily
intended for use on lightw eight trucks or multipur-
pose passenger vehicles
Load ratingThe maximum load that a tire is rated to carry for a
given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum permissible
inflation pressure for that tire
Maximum permissible
inflation pressureThe maximum cold inflation pressure to which a tire
may be inflated
Measuring rimThe rim on which a tire is fitted for physical dimension
requirements
Open spliceAny parting at any junction of tread, sidewall, or
innerliner that extends to cord material
Outer diameterThe overall diameter of an inflated new tire
Tire related termMeaning
Page 865 of 917
864
ES350_300h_OM_OM33A60U_(U)
8-2. Customization
■Multi-information display (P. 100)
FunctionDefault
settingCustom-
ized setting
“Language”*“English” (English)(French)—O—OO—
(Spanish)
“Units”*“miles
(MPG)”“km (km/L)”
—O—OO—“km (L/
100km)”
“ECO lamp”
(gasoline vehicles)
ECO lamp/Eco Driving
Indicator Light“On (Self- lighting)”/ ”Off”
“Off”/”Off”
—O—OO—
“On
(Always)”/ “Off”
“On
(Always)”/ “On”
“Off”/”On”
“ECO lamp”
(hybrid vehicles)“On (Self-lighting)”“Off”
—O—OO—“On
(Always)”
“Drive monitor”“Outside”
“Fuel con- sumption”
—O—OO—“Cruising range”
“Tachometer Settings”
(hybrid vehicles)“On (Self-lighting)”
“HV Meter (Always)”
—O—OO—“Tachome- ter
(Always)”
123456
Page 867 of 917
866
ES350_300h_OM_OM33A60U_(U)
8-2. Customization
■Smart access system with push-button start ( P. 125) and wireless
remote control ( P. 139)
Locking/unlocking of the
trunk when all doors are
locked/unlocked
OnOff—————O
FunctionDefault
settingCustom-
ized setting123456
FunctionDefault settingCustom-
ized setting
“Lock/Unlock Feedback-
To n e ”
(Adjust the volume of
buzzer sounds)
5
Off
O—O—OO1 to 7
“Lock/Unlock Feedback-
Lights”
(Enable/disable the opera-
tion of the emergency
flashers when the vehicle is
locked or unlocked)
OnOffO—O—OO
“A u t o R e l o c k Ti m e r ”
(Adjust the time elapsed
before the automatic door
lock function is activated if
a door is not opened after
being unlocked)
60 seconds
Off
O—O—OO
30 seconds
120
seconds
Operation buzzer (When
the vehicle is locked or
unlocked)
OnOff—————O
Open door reminder
buzzer (When locking the
vehicle)
OnOff—————O
123456