INFORMATION BEFORE DRIVING YOUR TOYOTA -> Iridium-tipped spark plugs for Your Toyota Prius 4 Door First Generation (1997-2003)

Iridium−tipped spark plugs  
Brake system  
For detailed information on oil level check,  
see “Checking the engine oil level” on  
page 208 in Section 82.  
REGENERATIVE BRAKE  
When the brake is applied, the electric  
motor used as a generator converts kinet-  
ic energy into electric energy.  
The regenerative brake works in the fol-  
lowing operations.  
1. When the accelerator pedal is re-  
leased, the reduced speed equal to en-  
gine braking in a gasolinefueled ve-  
hicle is obtained in accordance with the  
running mode position of the selector  
lever.  
2. When the brake pedal is depressed  
with the selector lever in “D” or “B”,  
the regenerative brake works.  
Your engine is fitted with iridium−tipped  
spark plugs.  
NOTICE  
Use only iridium−tipped spark plugs  
and do not adjust gaps for your en-  
gine performance and smooth drivabil-  
ity.  
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