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:

    Heated outside mirrors
    Both mirrors are heated automatically to remove ice, mist and fog when the rear window defrost is activated. Note: With the Auto dimming feature, the mirror glass is thicker and will ta ...

    Safety restraints for children
    See the following sections for directions on how to properly use safety restraints for children. Also see Airbag supplemental restraint system (SRS) in this chapter for special instructions about ...

    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 ...