Honda Civic Owners Manual: Before Driving

Driving

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Driving Preparation

Check the following items before you start driving. ...

See also:

Honda Civic Owners Manual. When the System can be Used
The system can be used when the following conditions are met.  The lane in which you are driving has detectable lane markers on both sides, and your vehicle is in the center of the lane.  The vehicle speed is between 45 and 90 mph (72 and 145 km/h).  You are driving on a ...