![2018 Audi A3, after battery change nearly all lights came on the dash. Is this an ECM failure? : r/AskMechanics 2018 Audi A3, after battery change nearly all lights came on the dash. Is this an ECM failure? : r/AskMechanics](https://preview.redd.it/4lwj84wbwwo91.jpg?auto=webp&s=27cc54913eb7bd05f31744ec8e672f40456aee35)
2018 Audi A3, after battery change nearly all lights came on the dash. Is this an ECM failure? : r/AskMechanics
![The New Audi A3 Car with LED Lights is Sold in the Car Salon on December 20 2019 at the Address Russian Federation City Kazan Editorial Image - Image of convention, automotive: 167653845 The New Audi A3 Car with LED Lights is Sold in the Car Salon on December 20 2019 at the Address Russian Federation City Kazan Editorial Image - Image of convention, automotive: 167653845](https://thumbs.dreamstime.com/z/new-audi-car-led-lights-sold-salon-december-address-russian-federation-city-kazan-sedan-victory-prospect-167653845.jpg)
The New Audi A3 Car with LED Lights is Sold in the Car Salon on December 20 2019 at the Address Russian Federation City Kazan Editorial Image - Image of convention, automotive: 167653845
![Auto HID LED Head Lamp for Audi A3 2012-2016 R 8V0941044 L 8V0941043 R 8V0941044c L 8V0941043c Headlight - China Auto Lamp, Auto Lights | Made-in-China.com Auto HID LED Head Lamp for Audi A3 2012-2016 R 8V0941044 L 8V0941043 R 8V0941044c L 8V0941043c Headlight - China Auto Lamp, Auto Lights | Made-in-China.com](https://image.made-in-china.com/202f0j00KlubzAGEYqcR/Auto-HID-LED-Head-Lamp-for-Audi-A3-2012-2016-R-8V0941044-L-8V0941043-R-8V0941044c-L-8V0941043c-Headlight.webp)
Auto HID LED Head Lamp for Audi A3 2012-2016 R 8V0941044 L 8V0941043 R 8V0941044c L 8V0941043c Headlight - China Auto Lamp, Auto Lights | Made-in-China.com
![2 pcs car Lights Film for Audi A3 2017 2018 2019 2020 Car Front Light Transparent TPU Sticker Headlight Protective Film Accessories : Amazon.ca: Automotive 2 pcs car Lights Film for Audi A3 2017 2018 2019 2020 Car Front Light Transparent TPU Sticker Headlight Protective Film Accessories : Amazon.ca: Automotive](https://m.media-amazon.com/images/I/61dPX-Gq-zL.jpg)
2 pcs car Lights Film for Audi A3 2017 2018 2019 2020 Car Front Light Transparent TPU Sticker Headlight Protective Film Accessories : Amazon.ca: Automotive
![2 Pcs Car Lights Parts For A3 S3 2017-2020 Head Lamps Led Headlight Led Dual Projector Facelift - Car Light Assembly - AliExpress 2 Pcs Car Lights Parts For A3 S3 2017-2020 Head Lamps Led Headlight Led Dual Projector Facelift - Car Light Assembly - AliExpress](https://ae01.alicdn.com/kf/S71ec815d0971492daa6459213a59b88ae/2-PCS-Auto-Car-Head-Light-Parts-For-A3-S3-2013-2016-2017-2020-Hatchback-LED.jpg)
2 Pcs Car Lights Parts For A3 S3 2017-2020 Head Lamps Led Headlight Led Dual Projector Facelift - Car Light Assembly - AliExpress
![Car Lights for Audi A3 LED Headlight 2013-2016 A3 Head Lamp Drl Projector Lens Automotive Accessories Car Lights for Audi A3 LED Headlight 2013-2016 A3 Head Lamp Drl Projector Lens Automotive Accessories](https://ae01.alicdn.com/kf/S5af8d7e5ec0840f0aec1a4789dfa5a07V/Car-Lights-for-Audi-A3-LED-Headlight-2013-2016-A3-Head-Lamp-Drl-Projector-Lens-Automotive.jpg)
Car Lights for Audi A3 LED Headlight 2013-2016 A3 Head Lamp Drl Projector Lens Automotive Accessories
![Spyder Auto Audi A3 06-08 Projector Headlights - Halogen Model Only ( Not Compatible With Xenon/HID Model ) - DRL - Black 5008510 - The Home Depot Spyder Auto Audi A3 06-08 Projector Headlights - Halogen Model Only ( Not Compatible With Xenon/HID Model ) - DRL - Black 5008510 - The Home Depot](https://images.thdstatic.com/productImages/bd42421a-d1f1-48e4-9058-2156156603bf/svn/spyder-auto-car-lights-5008510-64_600.jpg)