Hyundai Elantra (CN7): Warning and Indicator Lights / Exterior Light Warning Light
This warning light illuminates:
• When one of the exterior bulbs (headlamp, DRL, turn signal lamp, stop lamp, etc) is not operating properly. One of the bulbs may need to be replaced.
Information
Make sure to replace the burned out bulb with a new one of the same wattage rating.
This indicator light blinks: When you operate the turn signal indicator stalk. If any of the following occur, there may be a malfunction with the turn signal system.
This warning light illuminates: • When you set the Engine Start/Stop button to the ON position. -- The LED headlight warning light illuminates for approximately 3 seconds and then goes off.
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: Compressor oil
Repair procedures Oil Specification1.The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed.2.Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compressor.
Hyundai Elantra (CN7) 2021-2026 Service Manual: Auto Defogging Sensor
Description DescriptionThe auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actuator, A/C, auto defogging actuat
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