Speed control

Speed control  - Driver Controls - Lincoln MKZ Owners Manual - Lincoln MKZ

With speed control set, you can maintain a set speed without keeping your foot on the accelerator pedal.

WARNING: Do not use the speed control in heavy traffic or on roads that are winding, slippery or unpaved.

See also:

Troubleshooting
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Engine block heater (if equipped)
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3.7L V6 engine “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 ...