2013 Chrysler Town & Country Owner Manual - Page 606

604 MAINTAINING YOUR VEHICLE Although your vehicle will usually be drivable and not need towing, see your authorized dealer for service as Your vehicle is equipped with a sophisticated onboard soon as possible. diagnostic system called OBD II. This system monitors the performance of the emissions, engine, and automatic CAUTION! transmission control systems. When these systems are operating properly, your vehicle will provide excellent • Prolonged driving with the MIL on could cause performance and fuel economy, as well as engine emisfurther damage to the emission control system. It sions well within current government regulations. could also affect fuel economy and driveability. ONBOARD DIAGNOSTIC SYSTEM - OBD II 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 your service technician in making repairs. The vehicle must be serviced before any emissions tests can be performed. • If the MIL is flashing while the engine is running, severe catalytic converter damage and power loss will soon occur. Immediate service is required.