Honda Civic Owners Manual: Fuses

If the Low Tire Pressure/TPMS Indicator Comes On or Blinks

Reasons for the indicator to come on or blink A tire pressure is significantly low, or the TPMS has not been calibrated. If there is a problem with the TPMS or the compact spare tire is installe ...

Fuse Locations

If any electrical devices are not working, turn the ignition switch to LOCK 0*1 and check to see if any applicable fuse is blown. ...

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 ...