How to Replace Headlight Bulbs on a 2017-2024 Kia Niro (Low Beam or High Beam) (Trim: Plug-In Hybrid EX)
Step-by-step instructions with bulb type tips (halogen vs LED), tools list, safety notes, and testing steps
How to Replace Headlight Bulbs on a 2017-2024 Kia Niro (Low Beam or High Beam) (Trim: Plug-In Hybrid EX)
Step-by-step instructions with bulb type tips (halogen vs LED), tools list, safety notes, and testing steps for 2017, 2018, 2019, 2023, 2024
🔧 Niro - Headlight Bulb Replacement
Replacing headlight bulbs usually means swapping the left and right bulbs for the same beam (most commonly the low beams). On your Niro, the exact bulb type and access method depends on whether you have halogen bulbs or factory LED headlamps.
Quick check before I lock in the exact steps: Are you replacing low beam or high beam bulbs? And do your headlights look halogen (yellow-ish) or LED (bright white, no bulb service door usually)?
Difficulty Level: Beginner | Estimated Time: 0.5-1.0 hours
⚠️ Safety & Precautions
- ⚠️ Turn the car fully OFF and keep the key fob at least 10 feet away.
- ⚠️ Headlight bulbs get extremely hot—let them cool 10+ minutes.
- ⚠️ Wear gloves: skin oils can shorten halogen bulb life.
- ⚠️ Do not touch the glass of a halogen bulb; if you do, clean with isopropyl alcohol and a lint-free cloth.
- ⚠️ No high-voltage (hybrid) service is required for this job, but avoid orange cables/connectors.
- Battery disconnect is usually not required for bulb replacement.
🔧 Required Tools
You'll need the following tools for this repair:
- Safety glasses
- Nitrile gloves
- Flashlight
- 10mm socket
- 1/4" ratchet
- 6" extension
- Trim clip removal tool
- Small flat-blade screwdriver
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- Headlight bulb (low beam OR high beam, correct type for your headlamp) - Qty: 2
- Dielectric grease (optional) - Qty: 1
📋 Before You Begin
- Park on level ground, shift to Park, and set the parking brake.
- Open the hood and use a flashlight to locate the rear of each headlamp housing.
- If access is tight, be ready to remove the air intake snorkel or a small cover using a 10mm socket and trim clip removal tool.
🔨 Step-by-Step Instructions
Follow these steps in order:
Step 1: Confirm which beam you’re replacing
- Turn the lights ON briefly (then OFF) to confirm whether it’s the low beam or high beam that’s out.
- Use your flashlight behind the headlamp to identify the bulb socket location.
- Replace bulbs in pairs for matching color.
Step 2: Gain access behind the headlamp (if needed)
- If something blocks your hand, remove the nearby duct/cover using a trim clip removal tool and/or 10mm socket.
- Set clips/bolts aside so nothing falls into the engine bay.
- Torque: If you remove 10mm bolts, reinstall to snug/hand-tight (no critical torque spec for these small plastic/trim pieces).
Step 3: Remove the electrical connector
- Press the connector tab and pull straight back.
- If it’s stuck, gently help it with a small flat-blade screwdriver on the tab (do not pry on the wires).
Step 4: Remove the bulb retaining method (varies by headlamp type)
- If you see a round plastic base, rotate it counterclockwise by hand to unlock it.
- If you see a wire spring clip, release it by pushing and swinging it away (use a flashlight so you can see the latch).
- If there’s a dust cap, remove it by twisting/pulling it off by hand before removing the bulb.
Step 5: Install the new bulb
- Put on nitrile gloves before handling the new bulb.
- Align the bulb’s tabs with the housing and seat it fully (it should sit flat, not crooked).
- Lock it in place by twisting clockwise or re-latching the spring clip.
- Don’t force it—realign and try again.
Step 6: Reconnect and reassemble
- Reconnect the electrical connector until it clicks.
- Reinstall any dust cap/duct/cover removed using the 10mm socket, 1/4" ratchet, and trim clip removal tool.
- Torque: Reinstall 10mm bolts to snug/hand-tight.
Step 7: Repeat on the other headlight
- Repeat the same steps on the opposite side so both bulbs match.
✅ After Repair
- Turn the headlights ON and confirm both sides work on the beam you replaced.
- Check high/low beam operation (if applicable) and make sure the dust caps are fully seated to prevent moisture.
- If one side still doesn’t work, swap the new bulbs side-to-side to confirm it’s not a connector/fuse issue.
💰 DIY vs Shop Cost
Shop Cost: $120-$250 (parts + labor)
DIY Cost: $30-$120 (parts only, depends on bulb type)
You Save: $90-$130 by doing it yourself!
Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.5-1.0 hours.
🎯 Ready to get started?
HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.


















