Hyundai Elantra: Electro Chromic Inside Rear View Mirror / Description and operation
The ECM (Electro Chromatic inside rear view Mirror) is intended dim the reflecting light in the rear view mirror. The forward facing sensor detects brightness of the surroundings, while the rearward looking sensor is for the light from the rear. The strength of the light in the rear sensor is used by the mirror to adjust the shading. It ranges from 7 to 85%. When the reverse gear is engaged, it stops functioning.
1. | The forward facing sensor sees if the brightness of the surroundings is low enough for the mirror to operate its function. |
2. | The rearward looking sensor detects glaring of the reflecting light from a vehicle behind. |
3. | The ECM is darkened to the level as determined by the rearward looking sensor. When the glaring is no longer detected, the mirror stops functioning. 

|
Automatic-dimming Function |
To protect your vision during nighttime driving, your mirror will automatically dim upon detecting glare from the vehicles traveling behind you. The auto-dimming function can be controlled by the Dimming ON/OFF Button :
1. | Pressing and holding the Feature Control button for more than 3 but less than 6 seconds turns the auto-dimming function OFF which is indicated by the green Status Indicator LED turning off. |
2. | Pressing and holding the Feature Control button again for more than 3 but less than 6 seconds turns the auto-dimming function ON which is indicated by the green Status Indicator LED turning on. •
| The mirror defaults to the "ON" position each time the vehicle is started. |
|
|
Other information:
Description and operation
DescriptionA spark plug is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture therein by means of an electric spark, while containing combustion pressure within the engine. A spark plug has a metal threaded shell, electrically isolated from a central electrode b..
Repair procedures
RemovalOutside Combination Lamp1.Disconnect the negative (-) battery terminal.2.Remove the combination lamp cover (A).3.Disconnect the rear combination lamp connector (A).4.Loosen the mounting nuts and remove the rear conbination lamp (A).5.Remove the socket (A) and replace the bulb (B).Inside Combination Lamp1.Disconnect the negative (-) battery terminal.2.Remove the trunk li..