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Home >> Audi >> 2017 >> A3 Premium, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Charging System (Battery, Starter, Generator) & Cruise Control -- (A3 Sedan) (Start/Stop System)) >> 27 Battery, Starter, Generator, Cruise Control >> Battery >> Battery, Disconnecting And Connecting >> Battery, Disconnecting And Connecting, Engine Compartment Battery >> Disconnecting

Battery, Disconnecting And Connecting, Engine Compartment Battery: Disconnecting

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-- Turn off the ignition.

-- Vehicle equipment version with mechanical ignition switch: Remove the key.

-- Vehicle equipment version with electronic ignition switch: Remove the key from the vehicle.

-- Open the heat protection sleeve cover.

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

GWWA27-10431Courtesy of AUDI OF AMERICA, LLC

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

-- Cover the negative terminal.