Battery, Disconnecting And Connecting, In Engine Compartment: Disconnecting

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-- Turn off the ignition and all electrical equipment and remove the ignition key.

Vehicles With A Battery Housing 

-- Open the locking mechanism -arrow- and remove the battery case cover.

Vehicles With A Battery Jacket 

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-- Open the battery jacket -1-.

Continuation For All Vehicles 

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-- Loosen the nut on the battery ground cable clamp -3- several turns.

-- Remove the battery ground cable terminal clamp -3- from the Battery -A- -1-.