Hello. PS no idea how cars work so this is a learning process. I just bought my friends 2008 Hyundai Tiburon GT V6 and I want to upgrade it. Figure I could do this as a project while learning about cars. I currently have a new touchscreen panel and back up cam picked out as well as door handles and speakers. Next thing I want to get is a wireless door locking system as well as a alarm system but I can't seem to figure out this part. Idk what to search or if it's a universal thing or you need a certain type for the car modal.

So mainly need help with the locks but any advice for upgrades would be nice as well.