2006 Toyota Matrix Owners Manual - Page 185

'06 MATRIX_U (L/O 0508) Three −way catalytic converters CAUTION D Keep people and combustible materials away from the exhaust pipe while the engine is running. The exhaust gas is very hot. D Do not drive, idle or park your vehicle over anything that might burn easily such as grass, leaves, paper or rags. Two−wheel drive models with 1.8 L 4−cylinder (1ZZ−FE) engine 1.8 L 4−cylinder (2ZZ−GE) engine NOTICE A large amount of unburned gases flowing into the three−way catalytic converter may cause it to overheat and create a fire hazard. To prevent this and other damage, observe the following precautions: 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, creating an excessive load on the three− way catalytic converter. z Do not allow the engine to run at idle speed for more than 20 minutes. The three−way catalytic converter is an emission control device installed in the exhaust system. The purpose is to reduce pollutants in the exhaust gas. Four−wheel drive models with 1.8 L 4−cylinder (1ZZ−FE) engine 185