2010 Dodge Avenger Owner Manual - Page 351

350 MAINTAINING YOUR VEHICLE ONBOARD DIAGNOSTIC SYSTEM - OBD II Your vehicle is equipped with a sophisticated Onboard Diagnostic system called OBD II. This system monitors the performance of the emissions, engine, and automatic transmission control systems. When these systems are operating properly, your vehicle will provide excellent performance and fuel economy, as well as maintaining engine emissions well within current government regulations. CAUTION! • Prolonged driving with the "Malfunction Indicator Light" on could cause further damage to the emission control system. It could also affect fuel economy and driveability. The vehicle must be serviced before any emissions tests can be performed. • If the "Malfunction Indicator Light" is flashing while the engine is running, severe catalytic converter damage and power loss will soon occur. Immediate service is required. If any of these systems require service, the OBD II system will turn on the Malfunction Indicator Light (MIL). It will also store diagnostic codes and other information to assist an authorized service technician in making repairs. Although your vehicle will usually be drivable and not Loose Fuel Filler Cap Message need towing, see your authorized dealer for service as After fuel is added, the vehicle diagnostic system can determine if the fuel filler cap is possibly loose or soon as possible. improperly installed. A "GASCAP" message will be displayed in the instrument cluster. Tighten the gas cap until a ЉclickingЉ sound is heard. This is an indication that