Octane recommendations

Octane recommendations  - What you should know about automotive fuels - Maintenance and Specifications - Lincoln MKX Owners Manual - Lincoln MKX

“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

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.

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    Exceptions
    There are several exceptions to the Normal Schedule. They are listed below: Normal vehicle axle maintenance: Rear axles and power take-off (PTO) units with synthetic fluid and light-duty trucks e ...

    Safety belt system
    WARNING: Always drive and ride with your seatback upright and the lap belt snug and low across the hips. WARNING: To reduce the risk of injury, make sure children sit where they can be properly r ...

    Waxing
    • Wash the vehicle first. • Use a quality wax that does not contain abrasives. • Do not allow paint sealant to come in contact with any non-body (low-gloss black) colored trim, such as grained d ...