50
1-5. Refueling
Closing the fuel tank cap
After refueling, turn the fuel tank 
cap clockwise until you hear a 
click. The cap will revolve slightly in 
the opposite direction once 
released.
■Fuel types
Use premium unleaded gasoline. (91 Octane Rating [Research Octane Number 
96
 ] or higher)
■Fuel tank capacity
Approximately 18.7 gal. (71 L, 15.6 Imp. gal.)
■When the fuel filler door opener switch is inoperable
If the fuel filler door  opener switch is inopera-
ble, contact your Lexus dealer to service the 
vehicle. If you must refuel your vehicle, you 
can open the fuel filler door manually as 
shown. The system to lower internal pressure 
may not be functioning so you must turn the 
cap slowly as the pressure releases. In addi-
tion, fuel may spill out during refueling. Fill the 
fuel tank carefully and slowly. 
542
GAS STATION INFORMATION
Auxiliary catch leverP.  3 7 3Trunk openerP.  2 1Fuel filler door P.  4 9
Hood lock release lever P.  3 7 3Fuel filler door openerP.  4 9Tire inflation pressureP.  5 0 6
Fuel tank capacity18.7 gal. (71 L, 15.6 lmp.gal.)
Fuel typePremium unleaded gasoline only P. 50, 500
Cold tire inflation 
pressureP. 506
Engine oil capacity
(Drain and refill)
qt. (L, Imp.qt.)
GS430 GS350 GS350 (2WD models) (4WD models)
With filter 5.4 (5.1, 4.5) 6.6 (6.3, 5.5) 6.7 (6.4, 5.6)
Without filter 4.8 (4.5, 4.0) 6.2 (5.9, 5.2) 6.3 (6.0, 5.3)
Engine oil type
“Toyota Genuine Motor Oil” or equivalent
Oil grade: ILSAC multigrade engine oil P. 501
Recommended oil viscosity: SAE 5W-30