How to Replace the Cabin Air Filter — 2021-2025 Hyundai Elantra

Replacing the cabin air filter in your 2021-2025 Hyundai Elantra is a quick and easy maintenance task to ensure clean air inside your vehicle, especially if you notice reduced airflow or musty odors from the vents. This DIY repair costs between $10-$20 for parts, compared to $50-$80 at a shop, and with our step-by-step guide, any DIYer can tackle it in under 15 minutes. DIY Cost: $10-$20 | Shop Cost: $50-$80

You’re done. Clear any stored codes with your scanner and complete a normal drive cycle so the vehicle’s readiness monitors reset.

If the code returns, the root cause likely wasn’t the part you replaced — go back through the diagnostic steps before swapping anything else.