1. Desconecte of the battery in the beginning a negative wire, then positive.
If the stereosystem established in the car if it equips of a security code before desconectar the battery they secure what has the correct combination of the entry of the system sound in the action!
4b. Exactly there takes a combination of devices of the nest in the list and electric captures disunite of a reverse side of the meeting (companions see illustrations).