You can adjust the door mirrors when the ignition switch is in ON *1.
Mirror position adjustment
L/R selector switch: Select the left or right mirror. After adjusting the mirror, return the switch to the center position.
Mirror position adjustment switch: Press the switch left, right, up, or down to move the mirror.
Honda Civic Service Manual. Headlight Adjustment ('12-'13, '14: 4-door)
1.
Headlight - Adjustment
Headlights become very hot during use; do not touch them or any attaching
hardware immediately after they have been turned off.
Before adjusting the headlights:
...