Kia Sedona: Electrochromic mirror with HomeLink system
To operate the electric rearview mirror
Press the I button (1) to turn the automatic- dimming function on. The mirror indicator light will illuminate.
Press the O button (2) to turn the automatic- dimming function off. The mirror indicator light will turn off.

HomeLink Components and Components Location Battery Sensor Repair procedures
Make this adjustment before you start driving and while the day/night lever is
in the day position.
Pull the day/night lever toward you to reduce the glare from the headlights of
the vehicles b ...
Day/night rearview mirror
Your vehicle may require the ignition switch to be turned to the ACC position
for programming and/or operation of HomeLink. It is also recommended that a new
battery be replaced in the hand-held t ...
ProgrammingOther Information:
Component Location
1. Memory power seat unit (PSM)2. IMS control switch3. Outside mirror
...
Removal
1.
Turn the ignition switch OFF.
2.
Disconnect the battery negative (-) terminal (A).
Battery negative (-) terminal tightening nut :
4.0 ~ 6.0 N.m (0.4 ~ 0.6 kgf.m, 3.0 ~ 4.4 lb-ft ...