2021 Honda Civic Light Bulbs Types:
2.0l engine models:
| Bulb | Type |
| Headlights (Low Beam) | 55W (H11) |
| Headlights (High Beam) | 60W (HB3) |
| Fog Lights (Not available on all models) | 35W (H8) |
| Parking/Daytime Running Lights | LED |
| Front Side Marker Lights | 3W |
| Front Turn Signal Lights | 21W (Amber) |
| Brake Lights | 21W |
| Rear Turn Signal Lights | 21W (Amber) |
| Tail/Rear Side Marker Lights | LED |
| Back-Up Lights | 16W |
| Taillights | LED |
| High-Mount Brake Light | 21W |
| Rear License Plate Light | LED |
| Interior Lights Map Lights | 5W |
| Interior Lights Ceiling Light | 8W |
| Interior Lights Vanity Mirror Lights (Not available on all models) | 2W |
| Interior Lights Glove Box Light | LED |
| Interior Lights Trunk Light | 5W |
1.5l engine models:
| Bulb | Type |
| Headlights (Low Beam) |
55W (H11) LED |
| Headlights (High Beam) |
60W (HB3) LED |
| Fog Lights |
35W (H8) LED |
| Parking/Daytime Running Lights | LED |
| Front Side Marker Lights | 3W |
| Front Turn Signal Lights |
21W (Amber) LED |
| Side Turn Signal Lights (on Door Mirrors) (Not available on all models) | LED |
| Brake Lights | 21W |
| Rear Turn Signal Lights | 21W (Amber) |
| Tail/Rear Side Marker Lights | LED |
| Back-Up Lights | 16W |
| Taillights | LED |
| High-Mount Brake Light | 21W |
| Rear License Plate Light | LED |
| Interior Lights Map Lights | 5W |
| Interior Lights Ceiling Light | 8W |
| Interior Lights Vanity Mirror Lights | 2W |
| Interior Lights Glove Box Light | LED |
| Interior Lights Trunk Light | 5W |
