1997 Mercury Grand Marquis Owner Guide 1st Printing - Page 16

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. If the light fails to illuminate, continues to flash, remains on, or you hear a beeping sound, have the system serviced at your Ford or Lincoln-Mercury dealer immediately. The air bag readiness light Charging System Light This light indicates that your battery is not being charged and that you need to have the electrical system checked. The charging system light 13