The card does not lock or unlock the doors.

Symptoms

["If card battery is flat, replace the battery. You can still use the built-in key.", "If other appliances are causing interference, stop using them or use the key.", "If in a high electromagnetic radiation zone or vehicle battery is flat, use the built-in key.", "If 'Place card on zone + START' appears, place the card in the placement area and press START.", "If the vehicle is started, the card's locking/unlocking is blocked. Turn off the ignition.", "If desynchronised, unlock the driver's door with the key, place the card in the placement area, and press START to synchronise."]