The 2018 Chevy Cruze most commonly uses halogen bulbs: low beams with H11, high beams with 9005, and fog lights typically with H11. Some rare factory HID configurations may use different bulbs, but that is not standard for the majority of 2018 Cruze models.
Bulb configurations by function
The following lists the typical bulb types by headlight function for the 2018 Cruze. Note that trim level, options, or aftermarket changes can affect the exact bulb type.
- Low beam (headlights): H11 halogen bulbs are commonly used in the 2018 Cruze's projector-style low beams.
- High beam: 9005 (HB3) halogen bulbs on most trims.
- Fog lights: H11 halogen bulbs on most trims; some models may have H16 depending on the factory setup.
In the rare case your Cruze came with factory HID headlights, the low-beam bulbs would be HID bulbs (for example D1S/D2S/D3S with ballast) rather than H11. If your vehicle has HID, you will not see a conventional halogen bulb in the headlight housing.
Variations by trim and HID options
Some higher-trim models or dealer-installed options may feature HID or LED headlights instead of halogen. If your 2018 Cruze uses HID or LED headlights, the bulb type will differ and is typically not an H11 or 9005. Always verify using the owner's manual, the label on the headlight housing, or the vehicle's VIN-based specification sheet.
How to verify the exact bulb in your car
To ensure you get the correct bulb when shopping, confirm the exact specifications for your specific vehicle and trim. Here are practical steps:
- Consult the owner's manual section on headlights for the exact bulb type and replacement procedure.
- Inspect the headlight housing label (often found near the edge of the housing) for a bulb code.
- Check the existing bulb in the socket for markings (e.g., H11, 9005) or remove it carefully to read the markings on the base.
- If in doubt, contact a Chevrolet dealer or use the vehicle identification number (VIN) to pull the exact factory equipment sheet.
Using the exact bulb type avoids incompatibility and ensures proper lighting performance and fit.
Replacing bulbs safely and efficiently
When replacing headlight bulbs, follow these general safety steps to avoid damage or electric shock:
- Park the car on a level surface, turn off the engine, and engage the parking brake.
- Allow the headlights to cool before touching bulbs to avoid burns.
- Wear gloves or use a clean cloth to avoid oils on halogen bulbs, which can shorten bulb life.
- Follow the vehicle's manual for the correct bulb orientation and disconnecting steps to prevent short circuits.
If you are not comfortable replacing headlights yourself, a professional mechanic can perform the replacement and verify alignment for optimal beam pattern.
Summary
The typical configuration for a 2018 Chevy Cruze is halogen low beams using H11, high beams using 9005, and fog lights using H11. Some trims or dealer-added options may use HID or LED headlights, which change the bulb types. Always verify with the owner's manual or the label on the headlight housing to ensure you purchase the correct bulbs.


