Cleaner air

Cleaner air  - What you should know about automotive fuels - Maintenance and Specifications - Lincoln MKZ Owners Manual - Lincoln MKZ

Ford endorses the use of reformulated “cleaner-burning” gasolines to improve air quality, per the recommendations in the Choosing the right fuel section.

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    Motorcraft part numbers
    Refer to scheduled maintenance information for the appropriate intervals for changing the spark plugs. Replace the spark plugs with ones that meet Ford material and design specifications for ...

    Tire rotation
    Rotating your tires at the recommended interval (as indicated in the Scheduled Maintenance chapter) will help your tires wear more evenly, providing better tire performance and longer tire life. ...

    Checking automatic transmission fluid at normal operating temperature (140°F-158°F [60°C-70°C])
    Automatic transmission fluid expands when warmed. To obtain an accurate fluid check, drive the vehicle until it is warmed up (approximately 20 miles [30 km]) until the engine coolant gauge indic ...