Battery, Disconnecting And Connecting: Disconnecting

-- Turn off the ignition.

-- Then remove the ignition key, if equipped.

-- Open the heat protection sleeve cover.

-- Open the cover -1- over the battery negative terminal.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Loosen the nut -3- several turns and remove the battery ground cable terminal clamp -2- from the battery terminal.