Features 1. Fitment: Power window switch is a replacement for SMART 454 FORFOUR, designed to match the original car prototype. 2. OEM Number: Window master button replacement part number is A4548201010. Please verify the OEM number matches your existing part. 3. Quick Response: The power window control button offers fast response and high sensitivity for convenient operation. 4. Design: Power window switch features a compact design, comfortable touch, and precision manufacturing to meet functional requirements. 5. Perfect Match: Window lifter switch is an essential car accessory that integrates seamlessly with other components for reliable performance. Specification Item Type: Power Window Switch Material: ABS, Metal OEM: A4548201010 Applicable Models: Replacement for SMART 454 FORFOUR Package List 1 x Power Window Switch