The driver shall not allow any person to occupy a position that will interfere with the driver's vision to the front or sides, or in the rear view mirrors.
Cal. Code Regs. Tit. 13, § 1223
The driver shall not allow any person to occupy a position that will interfere with the driver's vision to the front or sides, or in the rear view mirrors.
Cal. Code Regs. Tit. 13, § 1223