Applicable Model: Brake light sensor is a replacement for Seat LEON, ALHAMBRA, IBIZA; fits FABIA, RAPID. Please confirm whether your model is applicable before purchasing. OE Number: The part numbers for reference are 1K0945459A, 5N0945459A. Please confirm whether it is consistent with the OE you need. Driving Safety: Helps the driver more easily perceive the braking state of the vehicle and take timely measures to avoid collision, improving reaction speed. Function: Sensor provides drivers with more accurate monitoring of brake conditions and can send out sound or optical signals when brake lights fail. Easy to Install: Brake light sensor is easy to install, typically only requires covering the original brake light, does not require additional space, offering strong practicality. Item Type: Brake Light Sensor OE: 1K0945459A, 5N0945459A Fitment: For EOS 2006–2016, CADDY 2004–2015, CC 2009–2016, A3/S3 2004–2016, A1 2011–2014, Q3 2012–2014, ALTEA 2004–2013, LEON 2006–2013, ALHAMBRA 2011–2015, IBIZA 2005–2009, CITIGO 2012–2015, FABIA 2011–2015, OCTAVIA 2004–2016, RAPID 2012–2016, ROOHSTER 2011–2015, SUPERB 2008–2015 1 x Brake Light Sensor Please double check the part number of your item; matching information is for reference only. If you are unsure about the item, please verify compatibility before purchase to avoid returns.