I do not know if this is the case on other cars, but on mine (civic 8), the connection is not automatically once the charger back into the cigarette lighter. You have to play with to make it meshes well with the More ... vibrassions car that blows frequently, which is quite restrictive ... We must constantly reposition the well. A lack of finishing some level of connectivity to the cigarette lighter, I never had this problem with other types of headwear. Despite that, he perfectly fulfilled its role at the USB ports.