The dealer should run through a check list before collection including if the car is suitable.
This can’t be done on ordering in most instances as dealers don’t stock all models and variants.
In many cases we have to rely on the motability salesman or doing our own research.
Plus seats designs and sizes can change on the time a car is built so yes check it’s suitable for you in every way.
If it’s not reject the car and don’t enter your PIN number.
your costing motability nothing as they get such massive discounts on all cars.
But most dealers will simply sell it on as a stock car.