The 2012 Hyundai Elantra uses H11 bulbs for the low-beam headlights and 9005 bulbs for the high beams in its standard halogen setup. Some trims or regional variants may differ, and vehicles with factory HID or LED headlights require different bulb types. Always verify with your owner's manual or the bulb label behind the headlight assembly before purchasing replacements.
This article explains the bulb types by function, how to identify the correct bulb, and practical tips for safe replacement.
Stock bulb types by headlight function
Use this quick reference to match the bulb sizes to each headlight function on the 2012 Elantra's halogen setup.
- Low beam: H11 (55W)
- High beam: 9005 (65W)
- Fog lights (if equipped): H11 (55W)
Bottom line: For the stock 2012 Elantra, the low beams use H11 bulbs and the high beams use 9005. If your car has HID/LED headlights, the bulb types will be different and not interchangeable with halogen bulbs.
Bulb replacement tips
Keep these practical tips in mind when replacing headlight bulbs to avoid damage and ensure a safe installation.
- Work with the engine off and the headlights cool to prevent burns.
- Handle bulbs with clean gloves or a cloth to avoid transferring oils from your skin to the glass.
- When removing, turn counterclockwise to unlock; when installing, seat firmly and reconnect the wiring harness.
After replacing, test both headlights to confirm proper operation and aim.
What to know about HID/LED upgrades
Some 2012 Elantras may have factory HID or LED headlights, or aftermarket upgrades in certain markets. Those systems use different bulbs and ballast or driver components (for example, HID may use D1S/D2S bulbs). These are not interchangeable with halogen H11/9005 bulbs. Always confirm your exact configuration before purchasing replacements.
How to identify your bulb type in your car
To confirm the correct bulb without guessing, check the owner’s manual, inspect the back of the headlight housing for a bulb code, or inspect the removed bulb for its markings. If possible, replace both sides at once to maintain even light output.
Summary: In the stock halogen setup, the 2012 Hyundai Elantra uses H11 bulbs for low beams and 9005 bulbs for high beams, with H11 typically used for fog lights if equipped. Always verify the exact bulb type for your specific vehicle configuration to ensure proper fit and performance.