Stupid question. If you reject the new terms and force Motability to take back the car, surely that can only result in you leaving the scheme?
Im struggling to find a legitimate way that the change to the contract was unacceptable but agreeing to a new one with the same terms you’ve just rejected is ok.
I'm Autistic, if I say something you find offensive, please let me know, I can guarantee it was unintentional.
I'll try to give my honest opinion but am always open to learning.
Mark