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4-3. Do-it-yourself maintenance
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.
■When working on the engine compartment:
●Keep hands, clothing, and tools away from  the moving fan and engine drive belt.
●Be careful not to touch the engine, inverter, radiator, exhaust manifold, etc. right 
after driving as they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easily , such as paper or rags, in the engine 
compartment.
●Do not smoke, cause sparks or expose an open flame to fuel or the battery. Fuel 
and battery fumes are flammable.
●Be extremely cautious when working on  the battery. It contains poisonous and 
corrosive sulfuric acid.
ItemsPa r t s  a n d  t o o l s
Engine oil level ( P.  3 7 9 )
• “Toyota Genuine Motor Oil” or 
equivalent
• Rag or paper towel, funnel (used 
only for adding engine oil)
Fuses ( P.  4 1 3 )• Fuse with same amperage rating as 
original
Headlight aim ( P.  4 3 5 )• Phillips-head screwdriver
Radiator and condenser (P.  3 8 5 )
Tire inflation pressure  (P.  4 0 1 )• Tire pressure gauge
• Compressed air source
Wa s h e r  f l u i d ( P.  3 9 0 )
• Water washer fluid containing anti-
freeze (for winter use)
•Funnel 
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4-3. Do-it-yourself maintenance
4
Maintenance and care
Wipe the dipstick and reinsert it fully.Low
Full
■ A
dding engine oil
If the oil level is below or near the  lo
 w level mark, add engine oil of the 
same type as already in the engine.
Make sure to check the  oil type and prepare the items needed before 
adding oil.
Remove the oil filler cap.
Add engine oil slowly, checking the dipstick.
Install the filler cap, turning it clockwise until you hear a click.
STEP6
Oil gradeILSAC multigrade engine oil
Oil quantity
(Low   Full)1.6 qt. (1.5 L, 1.3 Imp. qt.)
ItemsClean funnel
GS430GS350
STEP1
STEP2
STEP3