This headlight level adjustment motor is compatible with the following vehicles: 301 (2012–2020), 208 (2012–2019), C3 (2009–2019), C-Elysée (2012–2019), C5 (2008–2017), DS3 (2009–2018), and Vivaro A Combi/Kasten (2007–2014).The motor adjusts the vertical aim of the headlights in response to vehicle load and driving conditions, helping maintain appropriate beam alignment for road and regulatory compliance.It integrates with the vehicle's existing headlight system and operates according to standard automotive protocols.