Catalytic Converter System
Warm Up Three Way Catalytic Converter (WU-TWC) and Under-floor Three Way Catalytic Converter (Under-floor TWC)
The WU-TWC and the under-floor TWC convert hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx) in the exhaust gas to carbon dioxide (CO2), nitrogen (N2), and water vapor.
WU-TWC (ATTACHED TO THE CYLINDER HEAD)

UNDER-FLOOR TWC

Under-Cowl Panel Replacement
NOTE: Take care not to scratch the body.
Remove these items:
Windshield wiper arms
Cowl cover
Remove the bolts, then remove the under-cowl panel ...
Transmission Fluid
Automatic Transmission Fluid
Check the fluid level with the engine at normal operating temperature.
1. Park the vehicle on level ground.
Start the engine, let it run until the radiator fan comes ...
Changing Your Destination
There are several methods you can use to change the route destination. ...