For 1990-2009 cars

### Removal Procedure

1. Remove the radio. Refer to Radio Replacement in Entertainment.
2. Remove the daytime running light (DRL) ambient light sensor module from the HVAC duct.
3. Disconnect the DRL module electrical connectors.
4. Remove the DRL module.

### Installation Procedure

1. Install the DRL module.
2. Connect the DRL module electrical connectors.
3. Slide the module onto the HVAC duct retainers.
4. Install the radio. Refer to Radio Replacement in Entertainment.