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:

    Adjusting automatic transmission fluid levels
    Before adding any fluid, make sure the correct type is used. The type of fluid used is normally indicated on the dipstick and also in the Maintenance product specifications and capacities section ...

    Erasing HomeLink buttons
    To erase the three programmed buttons (individual buttons cannot be erased): • Press and hold the two outer HomeLink buttons until the indicator light begins to flash-after 20 seconds. Re ...

    Using hill start assist
    Hill start assist is activated automatically when the vehicle is stopped on a slope greater than five degrees. Hill start assist operates with the vehicle facing downhill if reverse gear is select ...