To remove

Remove the battery cover and disconnect the negative battery cable.

Fig 1: Illustration Step For 1
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Disconnect the positive cable of the battery.

Fig 2: Illustration For Step 2
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Detach the battery drain hose.
Undo the screw in the battery lock lug and lift out the battery.

Fig 3: Illustration For Step 4
Courtesy of SAAB-SCANIA OF AMERICA, INC.