1998 Ford Expedition Owner Guide 1st Printing - Page 8

Instrumentation If the Check Engine light remains on, have your vehicle serviced at the first available opportunity. Light is blinking: Engine misfire is occurring which could damage your catalytic converter. You should drive in a moderate fashion (avoid heavy acceleration and deceleration) and have your vehicle serviced at the first available opportunity. Under engine misfire conditions, excessive exhaust temperatures could damage the catalytic converter, the fuel system, interior floor coverings or other vehicle components, possibly causing a fire. Air bag readiness Momentarily illuminates when the ignition is turned ON. If the light fails to illuminate, continues to flash or remains on, have the system serviced immediately. Safety belt Momentarily illuminates when the ignition is turned ON to remind you to fasten your safety belts. For more information, refer to the Seating and safety restraints chapter. 8