Automobile key assembly

The utility model discloses an automobile button assembly. The automobile button assembly comprises an outer shell and a button, the key is provided with an ascending stroke in the first direction; the key comprises a key cap and a key bracket; the key cap comprises a key cap body and a shielding flange, one end of the key cap body is provided with a pressing surface, the shielding flange is arranged on the outer edge of the key cap body, and the shielding flange is lower than the pressing surface in the first direction; the key cap is fixedly connected with the key support, and the key support is located on the bottom side of the key cap body and located on the bottom side of the outer shell in the first direction. The outer shell is provided with a through hole, the key cap body is arranged in the through hole in a penetrating mode in the first direction, a first gap is formed between the key cap body and the through hole, and the through hole is shielded by the top face of the shielding flange in the first