Octane recommendations

“Regular” unleaded gasoline with a pump (R+M)/2 octane rating of 87 is recommended. Some stations offer fuels posted as “Regular” with an octane rating below 87, particularly in high altitude areas. Fuels with octane levels below 87 are not recommended.

Do not be concerned if your engine sometimes knocks lightly. However, if it knocks heavily under most driving conditions while you are using fuel with the recommended octane rating, see your authorized dealer to prevent any engine damage.
See also:
Opening the hood
1. Inside the vehicle, pull the hood
release handle located under the
bottom of the instrument panel near
the steering column.
2. Go to the front of the vehicle and
release the auxiliary ...
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Also new on the 2011 Lincoln MKX is the world's first use of iTunes® Tagging
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Blocked sensor
If a message regarding a blocked
sensor is displayed, the radar signals
from the sensor, located behind a
fascia cover near the driver side of
the lower grille, have been
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