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:

    Battery saver
    The battery saver will shut off the lamps 10 minutes after the ignition has been turned off. • If the dome lamps were turned on using the panel dimmer control, the battery saver will shut them ...

    Illuminated entry
    The interior lamps, parking lamps and puddle lamps (if equipped) illuminate when the IA key or the keyless entry keypad is used to unlock the door(s). The illuminated entry system will turn off ...

    Determining if the system is operational
    The SRS uses a readiness light in the instrument cluster or a tone to indicate the condition of the system. Refer to Warning lights and chimes in the Instrument Cluster chapter. Routine maintenanc ...