![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
![Audi A4 replace battery remote radio control key fob / Schlüssel Fernbedienung Batterie wechseln - YouTube Audi A4 replace battery remote radio control key fob / Schlüssel Fernbedienung Batterie wechseln - YouTube](https://i.ytimg.com/vi/u6rf3g4SUpY/maxresdefault.jpg)
Audi A4 replace battery remote radio control key fob / Schlüssel Fernbedienung Batterie wechseln - YouTube
![HQRP Transmitter and Two Batteries for Audi A4 1997 1998 1999 2000 2001 4D0-837-231-M 4D0837231M Key-Fob - Walmart.com HQRP Transmitter and Two Batteries for Audi A4 1997 1998 1999 2000 2001 4D0-837-231-M 4D0837231M Key-Fob - Walmart.com](https://i5.walmartimages.com/asr/19bbc089-929f-4a3e-acd5-6f1c67d6edee_1.92c7fb5fb13ccffed3e280164f1250da.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)