Rear Tailgate Boot Release REPAIR Switch Genuine for Land Rover Discovery 3 & 4 mirror If you have noticed that If you have noticed that your upper tailgate is no longer self closing then it may be that you need to replace the actuator The integrated driver and the thermal management system regulate the temperature of the LED Lightbar and can thus prevent damage from overheating The handle fits in the centre of the tailgate underneath the two number plate lights They did make the switch available separately for the Discovery 4 but there are several different versions depending on your vehicle spec (reversing camera surround camera) and they are all expensive