If you have Hand Controls you should definitely be able to extend your lease as Motability allowed me too in 2017 they didn’t even ask for my mileage but I was just over 15,000.
Current Car 25 Citroën C5 Aircross 1.5BlueHDi 130 EAT8 Max Edition
Previous Cars
05 C3 Exclusive 1.6 110 SensoDrive
08 C2 VTR 1.6 110 SensoDrive
11 C3 Exclusive 1.6 120 Auto
14 C3 Picasso Exclusive 1.6 120 EGS6
19 C4 Cactus Flair 1.2 110 EAT6
21 C4 Shine Plus 1.2 155 EAT8
Citroën Fanatic.