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:

    Low speed automatic cancellation
    ACC is not functional at vehicle speeds below 18 mph (30 km/h). Once the vehicle speed drops below 18 mph (30 km/h), an audible alarm will sound, the head’s up display will flash and the automatic ...

    Adaptive cruise control (ACC) (if equipped)
    Adaptive cruise control is much like speed control, only this system is designed to automatically adjust your speed to maintain a proper distance between you and the vehicle in front of you in the ...

    Interior mirror
    The interior rearview mirror has two pivot points on the support arm which lets you adjust the mirror up or down and from side to side. WARNING: Do not adjust the mirror while the vehicle is in m ...