INFORMATION BEFORE DRIVING YOUR TOYOTA -> Three-way catalytic converter Toyota HC adsorber and catalyst system for Your Toyota Prius 4 Door First Generation (1997-2003)

Three−way catalytic converter  
Toyota HC adsorber and  
catalyst system  
NOTICE  
CAUTION  
A
large amount of unburned gases  
D Keep people and combustible mate-  
rials away from the exhaust pipe  
while the engine is running. The  
exhaust gas is very hot.  
flowing into the three−way catalytic  
converter and Toyota HC adsorber  
and catalyst system may cause it to  
overheat and create a fire hazard. To  
prevent this and other damage, ob-  
serve the following precautions:  
D Do not drive, idle or park your ve-  
hicle over anything that might burn  
easily such as grass, leaves, paper  
or rags.  
z Use only unleaded gasoline.  
z Do not drive with an extremely low  
fuel level; running out of fuel could  
cause the engine to misfire, creat-  
ing an excessive load on the three−  
way catalytic converter and Toyota  
HC adsorber and catalyst system.  
1. Three−way catalytic converter  
2. Toyota HC adsorber and catalyst sys-  
tem  
z Do not turn off the ignition while  
the vehicle is moving.  
The three−way catalytic converter and  
Toyota HC adsorber and catalyst system  
are emission control devices installed  
in the exhaust system.  
z Keep your engine in good running  
order. Malfunctions in the engine  
electrical system, electronic ignition  
system/distributor ignition system  
or fuel system could cause an ex-  
tremely high temperature of three−  
way catalytic converter and Toyota  
HC adsorber and catalyst system.  
Its purpose is to reduce pollutants in the  
exhaust gas.  
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