Daytime Running Lights (DRL) — general information Ford F150

1. The Daytime Running Lights (DRL) system illuminates the headlights whenever the engine is running. The only exception is with the engine running and the parking brake engaged. Once the parking brake is released, the lights will remain on as long as the ignition switch is on, even if the parking brake is later applied.

2. The DRL system supplies reduced power to the headlights so they won’t be too bright for daytime use, while prolonging head­light life.

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