Abstract: The present invention relates to an opening switch (1) for vehicle doors or rear hatches, comprising means (5) for activating a microswitch (6) which can be moved between two positions, a first open position in which they are kept away from the said microswitch (6) and a second closing position in which they are in contact with the said microswitch (6). According to the invention, the means activating the microswitch (6) comprise a rocking actuator (5) which incorporates within itself at least one pair of elastic tongues (7) whose reaction brings about return of the said rocking actuator (5).