Press the button 1 by pulling the key 2, then detach the cover 3 using the tab 4.
Pull out the battery by pressing on one side (arrow A) and lifting it from the other (arrow B), then replace it, observing the polarity and model indicated on the cover 3.
Assemble in the reverse order, then, being in close proximity to the car, press one of the map buttons four times: the message will disappear the next time the engine is started.
Note. When replacing the battery, it is not recommended to touch the electronic unit and contacts of the Renault card.