It is true. At the start of the contract, the monthly fee is fixed. That way, you know exactly how much the maintenance of your car costs and stabilise your expenses, which means you don't have any unexpected costs.
The B2 Care contract is a subscription. This can be cancelled from 6 months after the start. The termination penalty for terminating the contract before the end date corresponds to a one-off termination fee of 6 contract months.