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.

    See also:

    Cross traffic alert (CTA) system operation
    The CTA system warns the driver of approaching vehicles when R (Reverse) is selected and the vehicle is backing out of a front-in parking spot. It sounds a series of tones and flashes the BLIS ind ...

    Replacing backup lamp/supplemental tail lamp
    The backup lamp and supplemental tail lamps are located in the trunk lid. Follow the same steps to replace either lamp. 1. Make sure the headlamp switch is in the off position and open trunk ...

    Seat-mounted side airbag system
    WARNING: Do not place objects or mount equipment on or near the airbag cover on the side of the seatbacks of the front seats or in front seat areas that may come into contact with a deploying ai ...