1997 Mercury Grand Marquis Owner Guide 1st Printing - Page 28

High Beam Light This light illuminates when the headlamps are turned to high beam or when you flash the lights. The high beam light Check Engine Warning Light This light illuminates when the engine's Emission Control System requires service. It will also illuminate when the ignition key is in the ON position and the engine is off. The check engine warning light Air Bag Readiness Light The air bag system uses a readiness light and a tone to indicate the condition of the system. The readiness light is in the instrument cluster. When you turn the ignition key to the ON position, this light will light up for six (6) seconds and then turn off. This indicates that the system is operating normally. NOTE: Regularly scheduled maintenance of the air bag system is not required. 25