2010 Ford Focus Light Bulbs Types:
| Bulb | Type |
| Headlamps | H13 |
| Park and turn lamp (front) | 3457 NAK or 3457AK |
| Side marker lamp (front) | 168 |
| Foglamps (if equipped) | H11 LL |
| Stop/turn and tail lamps | 3057K |
| Backup lamp | 921 |
| License plate lamp | C5W L |
| High-mount brake lamp | LED |
