Such an installation is possible, but it is necessary to proceed from the construction of the alarm. There are some kind of built-in CAN-Bus modules, and for some types, you need to purchase a special adapter.
Hyundai ix35 has a "incomplete" CAN that requires many connections to be installed in analog mode. If the bus owner wants to install the auto-start system on the CAN-bus, it will need to bypass the electronic key, which can be quite problematic. Most car owners recommend that you make analog connections.
