Genuine VIZIO 2.1 5.1 Home Theater Sound Bar Remote Control SB XRS500 Remote for S4221W-C4 S4251W-B4 with Display Panel please note: the VIZIO Logo is covered by RC-017 label, if remove the sticker, you can see VIZIO Logo, and only put into new battery can work well, if still have issue, please let us know, we promise to help you to solve any issues, thanks Brand New Genuine VIZIO 2.1 5.1 Home Theater Sound Bar remote control SB XRS500 Remote for S4221W-C4 S4251W-B4 With Display panel If it does not work,Please reset as below: 1. Remove batteries from remote control. 2. press and hold POWER button for 10 sec to reset 3. Insert BRAND-NEW batteries into the remote and make sure in correct directions.