SMART FORTWO CABRIO Operating Instructions Manual page 256

Battery
Installing and removing the battery
Make sure that
you do not mix up the terminal clips. The
battery could otherwise be destroyed.
you never allow a wrench or other metal
parts to come into contact with both
battery terminals or with the positive
terminal and the car body at the same
time. There could otherwise be a short
circuit.
254 Communications breakdown
Removing the battery
Switch off the engine.
Switch off all electrical consumers.
Open the passenger door.
Slide the passenger seat back.
Fold the carpet up.
Loosen the foot support's two fastening
screws (A).
Remove the foot support by taking it
sideways out of the car.
First, unscrew the negative terminal
(A), then the positive terminal (B).
Remove the battery mount (C).
Remove the battery.
First, unscrew the negative terminal
(A), then the positive terminal (B).
Remove the battery mount (C).
Remove the battery.
Installing the battery
Switch off all electrical consumers
where appropriate.
Place the battery in the designated ar
ea.
Fasten the battery mount (C).
First fasten the positive terminal (B),
then the negative terminal (A).
Mount the positive terminal cover.
Mount the foot support.