Chevrolet HHR (2005 -2011) – bulb specification
| Exterior lamp | Bulb number |
| Back-up Lamp and CHMSL | 921 |
| Front Turn Signal and Parking Lamp (Amber) | 5702KA |
| Front Turn Signal and Parking Lamp (Clear) | D2N |
| Headlamp High/Low-Beam | H13 |
| Stoplamp/Taillamp/Turn Signal | 3057KX |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.