![2017 - 2021 Audi A4 Remote Key Fob Battery Change - How To Remove & Replace A4 Key Batteries - YouTube 2017 - 2021 Audi A4 Remote Key Fob Battery Change - How To Remove & Replace A4 Key Batteries - YouTube](https://i.ytimg.com/vi/3pfkyw9gIxQ/maxresdefault.jpg)
2017 - 2021 Audi A4 Remote Key Fob Battery Change - How To Remove & Replace A4 Key Batteries - YouTube
![2019 - 2022 * DIY - How to replace remote fob battery in Audi A4, A5, A6, A8, Q5, Q7 and TT - YouTube 2019 - 2022 * DIY - How to replace remote fob battery in Audi A4, A5, A6, A8, Q5, Q7 and TT - YouTube](https://i.ytimg.com/vi/CurWSFtxRl4/maxresdefault.jpg)
2019 - 2022 * DIY - How to replace remote fob battery in Audi A4, A5, A6, A8, Q5, Q7 and TT - YouTube
![How to change SmartKey Key fob Battery on Audi A5 A3 A4 S4 S5 S6 Q5 Keyless entry IYZFBSB802 - YouTube How to change SmartKey Key fob Battery on Audi A5 A3 A4 S4 S5 S6 Q5 Keyless entry IYZFBSB802 - YouTube](https://i.ytimg.com/vi/jUQbrn6Z2RU/maxresdefault.jpg)
How to change SmartKey Key fob Battery on Audi A5 A3 A4 S4 S5 S6 Q5 Keyless entry IYZFBSB802 - YouTube
![Keyecu Smart Remote Car Key For Audi A4 A5 Tt Q5 Q7 Sq5 2016 2017 2018 2019, Fob 3 Button - 433mhz - 4m0959754aj, 4m0 959 754 Aj - Car Key - AliExpress Keyecu Smart Remote Car Key For Audi A4 A5 Tt Q5 Q7 Sq5 2016 2017 2018 2019, Fob 3 Button - 433mhz - 4m0959754aj, 4m0 959 754 Aj - Car Key - AliExpress](https://ae01.alicdn.com/kf/H044013afcccc4da7b6d955c3c896f5c0s/KEYECU-Smart-Remote-Car-Key-for-Audi-A4-A5-TT-Q5-Q7-SQ5-2016-2017-2018.jpg_640x640.jpg)