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ItemsPa r t s  a n d  t o o l s
Engine oil level (→P.  2 8 4 )
• “Toyota Genuine Motor Oil” or 
equivalent
• Rag or paper towel, funnel (used 
only for adding engine oil)
Fuses (→P.  3 1 5 )• Fuse with same amperage rating as 
original
Tire inflation pressure  (→P.  3 0 5 )• Tire pressure gauge
• Compressed air source
Headlight aim (→P.  3 2 4 )• Phillips-head screwdriver
Power steering fluid 
level (→P.  2 9 1 )
• Automatic transmission fluid 
DEXRON® II or III
•Rag or paper towel
• Funnel (used only for adding power 
steering fluid)
Radiator and condenser (→P.  2 9 0 )⎯
Wa s h e r  f l u i d (→P.  2 9 6 )
• Water washer fluid containing anti-
freeze (for winter use)
•Funnel  
         
        
        
     
        
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4-3. Do-it-yourself maintenance
4
Maintenance and care
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown.
If this happens, check and replace the fuses as necessary.
Turn the engine switch OFF.
Remove the engine compartment cover. 
 →P.  2 8 3
Open the fuse box cover.
Engine compartment
Push the tabs in and lift the lid
off.
Driver's side instrument
panel
Remove the lid.
After a system failure, see “Fuse layout and amperage ratings”
(→P. 317) for details about which fuse to check.
Remove the fuse with the pull-
out tool.STEP1
STEP2
STEP3
STEP4
STEP5  
         
        
        
     
        
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4-3. Do-it-yourself maintenance
27PWR OUTLET20 APo w e r  o u t l e t
28RADIO NO. 27. 5  AAudio system
29MIR HTR15 AOutside rear view mirror defoggers
30POWER30 APo w e r  w i n d o w
31P/ S E AT30 APo w e r  s e a t
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. (→P.  3 2 5 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
■If there is an overload in the circuits
The fuses are designed to blow before the entire wiring harness is damaged.
CAUTION
■To prevent system breakdowns and vehicle fire
●Observe the following precautions.
Failing to do so may cause damage, and possibly a fire or injury.
●Never use a fuse of a higher amperage rating than indicated, or use any other
object in place of a fuse.
●Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
This can cause extensive damage or even fire.
●Do not modify fuses or the fuse box.
FuseAmpereCircuit  
         
        
        
     
        
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4
Maintenance and care
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer.