Octane Recommendations

Octane Recommendations  - What you should know about automotive fuels - Maintenance and Specifications - Lincoln MKZ Owners Manual - Lincoln MKZ

“Regular” unleaded gasoline with a

“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 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:

    Disengaging speed control
    Press the brake pedal to disengage the speed control. Disengaging the speed control will not erase the previous set speed. ...

    Securicode™ keyless entry system
    The keypad, located near the driver’s window, is invisible until touched and then it lights up so you can see and touch the appropriate buttons. Note: If you enter your entry code too fast on the ...

    Intelligent access
    Your vehicle will allow you to unlock and enter your vehicle without actively using a key or transmitter. You can use the intelligent access feature at the driver door or at the trunk. You can act ...