Complete kit for retrofitting soft close, comfort close, closing aid (PR no. 5Q7, 5R7) for VW ID-Buzz EB The servo lock automatically and silently retracts the sliding door into the lock Significant comfort gain due to less effort when closing the sliding door Selectable option: Version 1: Sliding door on the right side (passenger side) Version 2: Sliding door on the left side (driver's side) Scope of delivery: cable set locks control unit + drive unit bracket