The 2006 Mercury Grand Marquis oil change light comes on at fixed intervals. When the engine oil life remaining is 5% or less, a “CHANGE ENGINE OIL” message is displayed. As the oil life decreases and reaches between 5% and 0%, a “CHANGE OIL SOON” message will appear. Once the oil life reaches 0%, an “OIL CHANGE REQUIRED” message will be displayed.
An oil change is necessary when indicated by the message center and according to the recommended maintenance schedule. Use only the engine oils recommended by the manufacturer.
To reset the oil monitoring system after each oil change, which should occur approximately every 5,000 miles (8,000 km) or 180 days, follow these steps:
2006 Mercury Grand Marquis Oil Light Reset Instructions:
1. Turn the ignition to run (one position before starting the engine).
2. Press and hold the RESET control for 2 seconds and release. Oil life is set to 100% and “OIL LIFE XXX% HOLD RESET IF NEW OIL” is displayed.
3. Press and hold the RESET control for 3 seconds and release. Oil life is set to 100% and “OIL LIFE START VALUE SET TO XXX%” s displayed.
4. Turn the ignition off and then start the engine to verify the indicator has been reset.
