When you change batteries in key fob Renault kangoo van how do you re set?

To reset the key fob for a Renault Kangoo van after changing the batteries, first ensure that the new batteries are installed correctly with the right polarity. Then, enter the vehicle and close all doors. Turn the ignition on without starting the engine, and press any button on the key fob for a few seconds. This should re-establish the connection between the key fob and the vehicle. If the fob still doesn't work, consult the vehicle's manual for specific reprogramming instructions.