Press the rear defogger and heated door mirror button to defog the rear
window
and mirrors when the ignition switch is in ON
*1.
The rear defogger and heated door mirrors automatically switch off after 10-30 minutes depending on the outside temperature.
However, if the outside temperature is 32’F (0’C) or below, they do not automatically switch off.
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an ignition switch.
* Not available on all models
NOTICE
When cleaning the inside of the rear window, be careful not to damage the heating wires.
It is critical to wipe the window from side to side along the defogger heating wires.
This system consumes a lot of power, so turn it off when the window has been defogged.
Also, do not use the system for a long period when the engine is idling. This may weaken the battery, making it difficult to start the engine.
Honda Civic Owners Manual. How the System Works
The front camera behind the rearview mirror
monitors left and right lane markings (in white
or yellow). If your vehicle is getting too close
to detected lane markings without a turn
signal activated, the system, in addition to a
visual alert, applies steering torque and alerts
you with rap ...