No need to involve Motability.
At the service/MOT, ask the dealer to extend the subscription for another year.
Volvo offer this anyway but the dealer may need to be “reminded”.
Happened to us last March with our XC40 when it was 3 years old, dealer extended subscription for the app, no problems.
2024 - BMW i4 Grand Coupe eDrive 35 Sport
2020 - Volvo XC40 T4 Inscription
2017 - Audi Q3 TFSi Sport S-Tronic