Honda Civic Owners Manual: Gauges and Displays

Driver Information Interface Warning and Information Messages*

The following messages appear only on the driver information interface. Press the  (display/information) button to see the message again with the system message indicator on. Message ...

Gauges

Gauges include the speedometer, tachometer, fuel gauge, and related indicators. They are displayed when the ignition switch is in ON *1. Speedometer Displays your driving speed in mph or km/h ...

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 ...