1997 Mercury Grand Marquis Owner Guide 1st Printing - Page 24

4. If the level is low, add oil as necessary before you start the engine again. Do not overfill. Do not operate the engine if the pointer in the oil pressure gauge is below the normal band, regardless of the oil level. Contact your nearest dealer for further service actions. For more information about adding oil, see Engine Oil Recommendations in the Index. The Electronic Cluster The electronic cluster works only when your ignition is in the ON position. Each time you start your vehicle, the displays go through a self-test by flashing on and off once before the actual readings are displayed. (Neither the turn signals nor the high beam indicator light will flash like the other indicators do for the self-test.) Some of the warning lights will flash on and remain on (will not immediately flash off) until the normal cluster display is lit. This self-test is used to indicate that all of the warning/indicator lights are working properly. Your electronic cluster tells you about the condition of your vehicle by using two types of equipment: u warning lights and gauges u message center 21