Hyundai Accent: Inside rearview mirrorAdjust the rearview mirror so that the center view through the rear window is seen. Make this adjustment before you start driving.
WARNING - Rear visibility
Do not place objects in the rear seat or cargo area which would interfere with your vision through the rear window.
WARNING
Do not modify the inside mirror and do not install a wide mirror. It could result in injury, during an accident or deployment of the air bag.

Day/night rearview mirror
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 glare from the headlights of the vehicles behind you during night driving. Remember that you lose some rearview clarity in the night position.
Mirrors
Outside rearview mirrorInspection
1.
Check the hands free remote control switch for resistance between
No.4 and No.5 terminals in each switch position.
[Audio + Bluetooth Hands Free]
...
Instrument panel illumination
When the vehicle’s parking lights or headlights are on, press the upper or lower
part of the switch to adjust the brightness of the instrument panel illumination. ...
Specifications
Specifications
Items
Specifications
Rated voltage
DC 12V
Operating temperature range
-30°C ~ +80°C (-22 ~ +17 ...