
To check your Pioneer DEH-S510BT's firmware version, follow these steps: First, start your vehicle's engine. If your audio source is currently on, press and hold the [SRC/OFF] button to turn it off. Next, press and hold the [SRC/OFF] button again to access the initial menu, and confirm this selection by pressing the Multi Control. Rotate the Multi Control until you find and select "SYSTEM UPDATE", confirming with the Multi Control. Now, choose "SYSTEM INFO" to view the system information. On the "SYSTEM INFO" screen, you'll see the current firmware version. If the version number is 8.27 or higher, your firmware is up-to-date. If the version number is less than 8.27, you should refer to your Pioneer DEH-S510BT's manual for instructions on how to update the firmware. Always follow the steps carefully to ensure a successful update. For further assistance, contact Pioneer Customer Support.


