Two step opening appl

It is not possible to order one or two stage locking on cars with deadlock., To add the two-stage locking function (stage 1: drivers door, stage 2: passenger doors). | Only for cars without dead-locking., It is not possible to order one or two stage locking on cars with deadlock., To add the two-stage locking function (stage 1: drivers door, stage 2: passenger doors).