Honda Civic Service Manual: Garnish/Finishers/License

Front Grille Removal and Installation ('12, '13: 2-door, '14: 4-door)

1. Front Bumper ...

Rear License Trim Removal and Installation ('13-'14)

1. Trunk Lid Trim Panel ...

See also:

Honda Civic Owners Manual. How the System Activates
The system becomes ready to start searching for lane markings when all the following conditions are met:  The vehicle is traveling between about 45 and 90 mph (72 and 145 km/h).  The vehicle is on a straight or slightly curved road.  The turn signals are off.  The b ...