1998 Ford Taurus Owner Guide 1st Printing - Page 7
1998 Ford Taurus Manual
Page 7 highlights
Instrumentation Safety belt Momentarily illuminates when the ignition is turned to the ON position to remind you to fasten your safety belts. For more information, refer to the Seating and safety restraints chapter. Door ajar Illuminates when the ignition is in the ON or START position and any door is open. Service engine soon Your vehicle is SERVICE ENGINE equipped with a SOON computer that monitors the engine's emission control system. This system is commonly known as the On Board Diagnostics System (OBD II). This OBD II system protects the environment by ensuring that your vehicle continues to meet government emission standards. The OBD II system also assists the service technician in properly servicing your vehicle. The Service Engine Soon indicator light illuminates when the ignition is first turned to the ON position to check the bulb. If it comes on after the engine is started, one of the engine's emission control systems may be malfunctioning. The light may illuminate without a driveability concern being noted. The vehicle will usually be drivable and will not require towing. 7