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:

    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 ...

    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 ...

    Satellite Radio
    Satellite radio is available only with a valid SIRIUS radio subscription. Check with your authorized dealer for availability. SIRIUS: Press repeatedly to access satellite radio mode, if equipped. ...