Audi Glossary

Daytime Running Light (DRL)

Various studies and the NHTSA recommend the use of daytime running lights, to improve driver visibility to oncoming traffic during the day. DRLs are mandatory in Canada. Several Audi models are now equipped with DRLs, which can be switched on or off based on driver preference. When the low-beam headlights are switched on by the light sensor or rain sensor, the daytime driving lights remain on but are dimmed to the brightness of side lights.