I suspect that as Kezo said in his first reply, Motability will say that as it started as an optional extra, this has nothing to do with them, as per terms and conditions.
2024 - BMW i4 Grand Coupe eDrive 35 Sport
2020 - Volvo XC40 T4 Inscription
2017 - Audi Q3 TFSi Sport S-Tronic