Hyundai Elantra (CN7): Vehicle Information

This Owner’s Manual for the 2021 Elantra (CN7) is your essential guide to fully understanding every feature, function, and specification of your vehicle.

Front view 1. Hood 2. Headlamp 3. Tires and wheels 4. Side view mirror 5. Sunroof 6. Front windshield wiper blades 7. Windows 8. Front radar Rear view 9.

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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