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Hyundai Elantra DIY Maintenance & Repair Guides
Links to DIY repair guides and vehicle maintenance how-to tutorials for the 6th generation 2017 to 2020 Hyundai Elantra.

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2017-2020 Hyundai Elantra Key Fob Battery Replacement Guide
Key Fob Battery Change

1. 2017-2020 Hyundai Elantra Key Fob Battery Replacement Guide

After a couple of years of daily use opening and closing the doors of your sixth generation (2017, 2018, 2019, 2020 and probably also the 2021 model year) Hyundai Elantra the battery inside the key fob remote control can become weak or stop working entirely.

Check out my DIY tutorial for the procedure (with the compatible replacement battery part number) by clicking on the text link above or the thumbnail image on the left.

   

2017-2020 Hyundai Elantra Map Light Bulbs Replacement Guide
Map Light Bulbs Change

2. 2017-2020 Hyundai Elantra Map Light Bulbs Replacement Guide

If you need to change a burnt out map light bulb in the overhead console of your Hyundai Elantra (or upgrade them both to brighter LED bulbs), take a look at my DIY instructions for the procedure (with the compatible replacement part numbers) by clicking on the text link above or the thumbnail image on the left side of this paragraph.

   

2017-2020 Hyundai Elantra Dome Light Bulb Replacement Guide
Dome Light Bulb Change

3. 2017-2020 Hyundai Elantra Dome Light Bulb Replacement Guide

If you need to change a burnt out dome light bulb located in the housing attached to the headliner above the rear passenger seats of your Elantra, check out my DIY directions for the procedure (with the compatible replacement part number) by clicking on the text link above or the thumbnail image on the left.

   

2017-2020 Hyundai Elantra A/C Cabin Air Filter Replacement Guide
Cabin Air Filter Change

4. 2017-2020 Hyundai Elantra A/C Cabin Air Filter Replacement Guide

If the air conditioning system in your 6th generation (2017, 2018, 2019, 2020 and perhaps also the 2021 model year) Hyundai Elantra hasn't been working well recently or the air coming out of the vents smells a bit musty or moldy, you may need to clean or change the cabin air filter element in the HVAC blower motor housing. To view the DIY tutorial (with the compatible replacement part numbers), click on the text link or thumbnail image.

   

2017-2020 Hyundai Elantra Interior Door Panels Removal Guide
Door Panel Removal

5. 2017-2020 Hyundai Elantra Plastic Interior Door Panels Removal Guide

If you would like to upgrade the OEM door speakers in your Elantra, you'll first have to take off the plastic interior door panels.

Take a look at my DIY instructions for the door panel removal procedure by clicking on the text link above or the thumbnail image on the left.

   

2017-2020 Hyundai Elantra Windshield Window Wiper Blades Replacement Guide
Windshield Wiper Blades

6. 2017-2020 Hyundai Elantra Windshield Wiper Blades Replacement Guide

If you've been having difficulty seeing out of the front windshield window of your Elantra during a rain or snow storm, you may need to change the wiper blades.

Check out my DIY tutorial for the procedure (with the OEM blade sizes in inches and the compatible replacement part numbers) by clicking on the text link above or the thumbnail image on the left side of this paragraph.

   

2017-2020 Hyundai Elantra License Plate Light Bulbs Replacement Guide
License Plate Light Bulbs

7. 2017-2020 Hyundai Elantra License Plate Light Bulbs Replacement Guide

If you need to change a burnt out license plate light bulb in the trunk lid of your sixth generation (2017, 2018, 2019, 2020 and probably also the 2021 model year) Hyundai Elantra (or upgrade both bulbs to brighter LED bulbs), take a look at my DIY directions for the procedure (with the compatible replacement part number) by clicking on the text link above or the thumbnail image on the left.

   

2017-2020 Hyundai Elantra Tail Light Bulbs Replacement Guide
Tail Light Bulbs Change

8. 2017-2020 Hyundai Elantra Tail Light Bulbs Replacement Guide

The tail light housings of an Elantra contain the brake, rear turn signal and side marker light bulbs. Check out my DIY instructions for changing any of those bulbs by clicking on the text link above or the thumbnail image on the left.

(The reverse and inner parking light bulbs are located in a separate housing attached to the trunk lid.)

   

2017-2020 Hyundai Elantra Reverse & Inner Parking Light Bulb Replacement Guide
Reverse & Parking Light

9. 2017-2020 Hyundai Elantra Reverse & Parking Light Bulb Change Guide

The separate light housing attached to the trunk lid of a sixth generation Hyundai Elantra contains the reverse (back-up) and inner parking light bulb. To view my DIY tutorial for the procedure (with the compatible replacement part numbers), click on the text link above or the thumbnail image on the left.

   

2017-2020 Hyundai Elantra Gear Selector Shift Lock Release Guide
Shift Lock Release

10. 2017-2020 Hyundai Elantra Transmission Shift Lock Release Guide

If you need to manually move your Elantra, you may need to first release the shift lock mechanism. Check out my DIY tutorial for the procedure by clicking on the text link above or the thumbnail image on the left.



 

2017-2020 Hyundai Elantra High Mount 3rd Brake Light Bulb Replacement Guide
3rd Brake Light Bulb

11. 2017-2020 Hyundai Elantra Third Brake Light Bulb Replacement Guide

If you need to change a burnt out high mount 3rd brake light bulb located in the housing attached to the rear deck above the trunk lid, take a look at my DIY instructions for the procedure (with the compatible replacement part number) by clicking on the text link above or the thumbnail image on the left.

   

2017-2020 Hyundai Elantra Trunk Cargo Area Light Bulb Replacement Guide
Trunk Light Bulb Change

12. 2017-2020 Hyundai Elantra Trunk Cargo Area Light Bulb Replacement Guide

If you need to change a burnt out cargo area light bulb in the trunk of your 6th generation (2017, 2018, 2019, 2020 and probably also the 2021 model year) Hyundai Elantra sedan, check out my DIY directions for the procedure (with the compatible replacement part number) by clicking on the text link above or the thumbnail image on the left.

   

2017-2020 Hyundai Elantra Headlight Bulbs Replacement Guide
Headlight Bulbs Change

13. 2017-2020 Hyundai Elantra Headlight Bulbs Replacement Guide

The headlight housings of a sixth generation Elantra contain the low beam, high beam, front turn signal and side marker light bulbs. To view my DIY tutorial for changing any of the headlight bulbs (with the compatible replacement part numbers), click on the text link above or the thumbnail image on the left.

   

2017-2020 Hyundai Elantra Electrical Fuses Replacement Guide
Electrical Fuse Change

14. 2017-2020 Hyundai Elantra Electrical Fuses Replacement Guide

The best place to start when troubleshooting any electrical problem with your Elantra is to check for a blown fuse or a faulty relay in either the engine bay or interior passenger compartment electrical panels.

Take a look at my DIY tutorial for the procedure by clicking on the text link above or the thumbnail image on the left.

   

2017-2020 Hyundai Elantra 12V Automotive Battery Replacement Guide
12V Car Battery Change

15. 2017-2020 Hyundai Elantra 12V Automotive Battery Replacement Guide

If you've been having difficulty starting the Nu MPi 2.0L Atkinson Cycle inline four cylinder engine in your Elantra on a cold morning and the original 12 volt car battery is a few years old, you probably need to replace it.

Check out my DIY directions for changing the 12V battery (with the OEM group size and the compatible replacement part numbers) by clicking on the text link or thumbnail.

   

2017-2020 Hyundai Elantra Nu MPi 2.0L I4 Engine Air Filter Replacement Guide
Engine Air Filter Change

16. 2017-2020 Hyundai Elantra Engine Air Filter Replacement Guide

According to the maintenance schedule in the owner's manual, the service interval for the engine air filter element for the Nu 2.0L MPi I4 engine is to have it changed every 22.5K miles (or every 36 months / 36K KM). I also recommend cleaning it at every oil change which should be done every 7,500 miles. To view my DIY tutorial for the procedure (with the compatible replacement part numbers) click on the text link or thumbnail image.

   

2017-2020 Hyundai Elantra Nu MPI 2.0L I4 Engine Spark Plugs Replacement Guide
Spark Plugs Change

17. 2017-2020 Hyundai Elantra Engine Spark Plugs Replacement Guide

The OEM iridium tipped Yura ELR9IQP9+ spark plugs should be replaced every 97,500 miles according to the owner's manual. I would also recommend checking their condition at least every 30K miles.

Check out my DIY tutorial for the procedure (with the compatible replacement aftermarket part numbers) by clicking on the text link above or the thumbnail image on the left.

   

2017-2020 Hyundai Elantra Camshaft Position Sensors Replacement Guide
Camshaft Sensors

18. 2017-2020 Hyundai Elantra Camshaft Position Sensors Replacement Guide

Some of the symptoms of a failing or faulty camshaft position sensor include misfires, stalling, slow acceleration, hard starting, poor fuel economy (reduced MPG), jerking, hesitating, rough idling, a loss of power, smoke, oil consumption, knocking and a CEL or SES warning (check engine light or service engine soon).

To view my DIY tutorial for changing the camshaft position sensors (with the compatible replacement part numbers), click on the text link or thumbnail image.

   

2017-2020 Hyundai Elantra Nu MPI 2.0L I4 Engine Oil Change Guide
Engine Oil Change

19. 2017-2020 Hyundai Elantra Nu MPI 2.0L I4 Engine Oil Change Guide

The best way to keep your Elantra running reliably for many years is to regularly change the motor oil and replace the oil filter on the Nu MPI 2.0 liter Atkinson cycle inline four cylinder engine. The service interval specification in the owner's manual is to change the oil and filter at least every 7,500 miles (12,000 KM).

Take a look at my DIY tutorial for the procedure (with the recommended oil type and compatible replacement oil filter part numbers) by clicking on the text link or thumbnail.

   

2017-2020 Hyundai Elantra Front Brake Pads Replacement Guide
Front Brake Pads Change

20. 2017-2020 Hyundai Elantra Front Brake Pads Replacement Guide

If you've been hearing a screeching, scraping, squealing or grinding noise coming from the front end of your Elantra when you step on the brake pedal, you probably need to change the front brake pads.

Check out my DIY directions for the procedure (with the compatible replacement part numbers), by clicking on the text link above or the thumbnail image on the left.

   

2017-2020 Hyundai Elantra Rear Disc Brake Pads Replacement Guide
Rear Brake Pads Change

21. 2017-2020 Hyundai Elantra Rear Disc Brake Pads Replacement Guide

The rear disc brake pads tend to last twice as long as the front pads or anywhere from 60,000 miles to over 100,000 miles depending on your driving conditions.

To view my DIY tutorial for the procedure (with the compatible replacement part numbers), click on the text link

   
If you have an earlier fifth generation 2011, 2012, 2013, 2014, 2015 and 2016 model year Hyundai Elantra, check out the DIY repair and maintenance tutorials for your vehicle by clicking on the link below.
2011-2016 Hyundai Elantra DIY Repair & Maintenance Guides

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