Page 633 of 860

GS450h_U (OM30D01U)
6336-3. Do-it-yourself maintenance
6
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
●Make sure that the “POWER ON” on the multi-information display and the
“READY” indicator are both off.
●Keep hands, clothing and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, power control unit, radiator, exhaust manifold,
etc. right after driving as they may be hot. Oil and ot her fluids may also be hot.
●Do not leave anything that may burn easily, such as paper and rags, in the engine
compartment.
●Do not smoke, cause sparks or expose an open flame to fuel. Fuel fumes are flam-
mable.
■When working near the electric cooling fans or radiator grille
Be sure the power switch is off.
With the power switch in 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. 6 4 4 )
■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. Also, a backfire could cause a fire in the engine compartment.
Page 641 of 860

GS450h_U (OM30D01U)
6416-3. Do-it-yourself maintenance
6
Maintenance and care
CAUTION
■Used engine oil
●Used engine oil contains potentially harmful contaminants which may cause skin
disorders such as inflammation and skin cancer, so care should be taken to avoid
prolonged and repeated contact. To remove used engine oil from your skin, wash
thoroughly with soap and water.
●Dispose of used oil and filters only in a safe and acceptable manner. Do not dis-
pose of used oil and filters in household trash, in sewers or onto the ground.
Call your Lexus dealer, service station or auto parts store for information con-
cerning recycling or disposal.
●Do not leave used engine oil within the reach of children.
NOTICE
■To prevent serious engine damage
Check the oil level on a regular basis.
■When replacing the engine oil
●Be careful not to spill engine oil on the vehicle components.
●Avoid overfilling, or the engine could be damaged.
●Check the oil level on the dipstick every time you refill the vehicle.
●Be sure the engine oil filler cap is properly tightened.
Page 785 of 860
GS450h_U (OM30D01U)
7858-1. Specifications
8
Vehicle specifications
*: The engine oil capacity is a reference quantity to be used when changing the
engine oil. Warm up the engine and turn off the hybrid system, wait more than 5
minutes, and check the oil level on the dipstick.
■Engine oil selection
“Toyota Genuine Motor Oil” is used in your Lexus vehicle. Use Lexus
approved “Toyota Genuine Motor Oil” or equivalent to satisfy the fol-
lowing grade and viscosity.
Oil grade: ILSAC GF-5 multigrade engine oil
Lubrication system
Oil capacity
Drain and refill (Reference
*)
With filter
Without filter
6.7 qt. (6.3 L, 5.5 Imp.qt.)
6.2 qt. (5.9 L, 5.2 Imp.qt.)
Page 860 of 860
860
GS450h_U (OM30D01U)
GAS STATION INFORMATION
Auxiliary catch leverTrunk openerFuel filler door
P. 634 P. 141 P. 229
Hood lock release leverTire inflation pressure
P. 6 3 4
P. 7 9 0
Fuel tank capacity
(Reference) 17.5 gal. (66.3 L, 14.6 Imp.gal.)
Fuel type
Premium unleaded gasoline only P. 227, 784
Cold tire inflation
pressure P. 7 9 0
Engine oil capacity
(Drain and refill —
reference)qt. (L, Imp.qt.)
With filter 6.7 (6.3, 5.5)
Without filter 6.2 (5.9, 5.2)
Engine oil type “Toyota Genuine Motor Oil” or equivalent
Oil grade: ILSAC GF-5 multigrade engine oil
Recommended viscosity: SAE 0W-20
P. 7 8 5