
15Pictorial index 
GS450h_300h_OM_OM30F92E_(EE)
Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 251
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 334 
To prevent freezing (windshield wiper de-icer)*1 . . . . . . . . . . . . . . . . . . . . . .  P. 352 Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 392
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P . 257
Refueling method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 257 Fuel type/fuel tank capacity  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 549
Tires. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . .  P. 416
Tire size/inflation pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 555 Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 33 4 
Checking/rotation/tire pressure warning system*1. . . . . . . . . . . . . . . . . . . . . P. 416 Coping with flat tires. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 498, 509
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . .  P. 401
Opening  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 401 Engine compartment cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 405Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . .  P. 550 
Coping with overheat  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 535 Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 468
Headlights/front position lights/daytime running lights  . . . . . . . . . . . P. 237 
Front turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 231 
Front fog lights/rear fog light*2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 250 
Side turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 231 
Tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . P. 237 
Stop lights
Emergency brake signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 325
Rear turn signal lights  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 231
Back-up light*2
Shifting the shift lever to R  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 224
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 237
4
5
6
7
Light bulbs of the exterior lights for driving 
(Replacing method: P. 442, Watts: P. 558)
*1: If equipped
*2: They may be located on the opposite side depending on the target region.
8
9
10
11
12 

1152. Instrument cluster
2
Instrument cluster
GS450h_300h_OM_OM30F92E_(EE)
■Display off 
A blank screen is displayed
*1: Displayed when the item is set in “Drive Info 1”, “Drive Info 2” or “Drive Info 3”.  
( P. 562)
*2: The function can be reset by pressing the   of the meter control switches for longer 
than 1 second when the item to reset is displayed. 
If there is more than one item that can be  reset, the item selection screen will appear.
The settings of the following items can be changed, refer to P. 561
For functions that can be enabled or disabled, the function switches between on and 
off each time   is pressed.
■ (Lane-Keeping Assist) (if equipped) ( P. 282)
■ (Pre-Crash Safety system) (if equipped) (P. 270)
■ (Adaptive Front-lighting System) (if equipped) (P. 239)
■ (Blind Spot Monitor) (if equipped) (P. 314)
■
Select to turn the speed warning on and off, or to change the speed at which 
the speed warning is displayed.
■ (Road Sign Assi st) (if equipped) (P. 291)
■
Select to set the display mode of the clock.
■ 
●Oil Maintenance ( P. 408)
●TPMS (Tire pressure warning system) (if equipped) (P. 418)
Settings display 

3936-1. Maintenance and care
6
Maintenance and care
GS450h_300h_OM_OM30F92E_(EE)
NOTICE
■To prevent paint deterioration and corrosion on the body and components (aluminum wheels etc.)
●Wash the vehicle immediately in the following cases: 
• After driving near the sea coast • After driving on salted roads• If coal tar, pollen or tree sap is present on the paint surface 
• If dead insects, insect droppings or bird  droppings are present on the paint surface • After driving in an area contaminated wi th soot, oily smoke, mine dust, iron pow- der or chemical substances 
• If the vehicle becomes heavily soiled with dust or mud • If liquids such as benzene and gaso line are spilled on the paint surface
●If the paint is chipped or scratched, have it repaired immediately.
●To prevent the wheels from corroding, remove any dirt and store in a place with low humidity when storing the wheels.
■Cleaning the exterior lights
●Wash carefully. Do not use organic subs tances or scrub with a hard brush.  This may damage the surfaces of the lights.
●Do not apply wax to the surfaces of the lights.Wax may cause damage to the lenses.
■When using an automatic car wash (vehicle s with rain-sensing windshield wipers) 
Turn off AUTO mode of the wiper to  prevent the wiper from operating. (P. 251) If AUTO mode is selected, the wipers may operate and the wiper blades may be dam-aged.
■When using a high-pressure car wash
●When washing the vehicle, do not let water from the high-pressure washer directly hitthe camera or the area around the camera. Due to the shock from high-pressure 
water, it is possible that the device may not operate normally.
●Do not bring the nozzle tip close to boots (rubber or resin manufactured cover), con- nectors or the following parts. The parts may be damaged if they come into contact 
with high-pressure water.
• Traction related parts
•Suspension parts 
•Steering parts 
• Brake parts 

399
6 
 6-3. Do-it-yourself maintenance
Maintenance and care
GS450h_300h_OM_OM30F92E_(EE)
Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the correct proce- 
dure as given in these sections.
ItemsParts and tools
12-volt battery  
condition  ( P. 412) 
•Grease 
• Conventional wrench (for terminal clamp bolts)
Engine/power  
control unit coolant  level ( P. 409) 
•“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 technology“Toyota Super Long Life Coolant” is pre-mixed with 50% 
coolant and 50% deionized water.
• Funnel (used only for adding coolant)
Engine oil level  ( P. 406)
• “Toyota Genuine Motor Oil” or equivalent
•Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses (P. 437)• Fuse with same amperage rating as original
Light bulbs  ( P. 442)
• Bulb with same number and wattage rating as original
• Phillips-head screwdriver• Flathead screwdriver
•Wrench
Radiator and  condenser ( P. 411)
Tire inflation  
pressure ( P. 429)• Tire pressure gauge• Compressed air source
Washer fluid  
( P. 411)
• Water or washer fluid containing antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid) 

4797-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates a malfunction in the PCS (Pre-Crash Safety system) 
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable 
repairer.
(If equipped)
Indicates a malfunction in the BSM (Blind Spot Monitor) systemA buzzer also sounds. 
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliablerepairer.
Indicates abnormal engine oil pressure 
A buzzer also sounds.  Immediately stop the vehicle in a safe place and contact any authorized Lexus retailer or Lexus 
authorized repairer, or any reliable repairer.
(If equipped)
Indicates a malfunction in the VGRS (Variable Gear Ratio Steering) 
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable 
repairer.
Warning messageDetails/Actions
(Flashes) 

5768-3. Initialization 
GS450h_300h_OM_OM30F92E_(EE)
Item to initialize
*: If equipped
The following item must be initialized for normal system operation after such 
cases as the 12-volt battery being re connected, or maintenance being per- 
formed on the vehicle:
ItemWhen to initializeReference
Oil maintenance• After the maintenance is per- 
formedP. 408
Tire pressure warning system*
• When rotating the tires • When changing the tire inflationpressure by changing traveling 
speed or load weight, etc.
P. 418 

587Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Engine coolant temperature  
gauge....................................................... 105 
Engine oil..................................................406 
Capacity ................................................ 550 
Checking .............................................. 406 
Oil level warning message ...........466 
Oil pressure warning  
message..............................................466 
Preparing and checking  
before winter .................................... 334 
Engine switch ...........................................217 
Auto power off function ...................219 
Changing the power switch  
modes ................................................... 218 
If your vehicle has to be  
stopped in an emergency..........453 
Starting the hybrid system............... 217 
EPS (Electric Power Steering)........ 325 
Function .................................................. 325 
Warning light .........................................461 
Warning message.............................466 
EV drive mode ....................................... 222 
First-aid kit storage net....................... 375 
Flat tire 
Vehicles with spare tire ................. 498 
Vehicles without spare tire .......... 509 
Floor mats ................................................... 34 
Fluid 
Brake........................................................554 
Hybrid transmission .........................553 
Washer ...................................................... 411 
Fog lights .................................................. 250 
Replacing light bulbs ....................... 449 
Switch ...................................................... 250 
Follow me home system .................... 238 
Footwell light .......................................... 366 
Front air conditioning system .......... 346 
Front fog lights ....................................... 250 
Replacing light bulbs ....................... 449 
Switch ...................................................... 250 
Wattage ................................................. 449 
Front personal lights............................ 367 
Front position lights ............................. 237 
Light switch............................................ 237 
Replacing light bulbs ....................... 449 
Welcome light illumination  
control ................................................... 140 
Front seats ................................................. 175 
Adjustment ............................................. 175 
Cleaning ................................................ 394 
Correct driving posture.................... 36 
Driving position memory ................ 178 
Head restraints .....................................183 
Power easy access system............. 178 
Seat heaters.......................................... 362 
Seat position memory ....................... 178 
Seat ventilators ................................... 362 
Front turn signal lights ..........................231 
Replacing light bulbs ........... 443, 449 
Turn signal lever................................... 231 
Wattage .................................................558
F
*: Refer to the “NAVIGATION AND MULTIMEDIA 
SYSTEM OWNER’S MANUAL”. 

600
GS450h_300h_OM_OM30F92E_(EE) 
GAS STATION INFORMATION
Auxiliary catch leverTrunk openerFuel filler door 
P. 401 P. 146 P. 259
Hood lock release leverTire inflation pressure
P. 401P. 555
Fuel tank capacity 
(Reference) 66 L (17.4 gal., 14.5 Imp.gal.)
Fuel type 
EU area: Unleaded gasoline conforming to European standard EN228 onlyExcept EU area: Unleaded gasoline only 
P. 549
Cold tire inflation  pressure P. 555
Engine oil capacity (Drain and refill —  
reference) 
P. 550
Engine oil type 
“Toyota Genuine Motor Oil” or equivalent 
Oil grade:  
0W-20, 5W-30 and 10W-30: API grade SL “Energy-Conserving”, SM “Energy-Con-serving” or SN “Resource-Conserving”; or ILSAC multi- 
grade engine oil 15W-40:API grade SL, SM or SN multigrade engine oil 
P. 550