Was told to ask this here: What are those buttons for? (One's for a parking assistant, the others aren't in the manual) (Model: Ford transit custom) : r/AskMechanics
2020-2023 Ford Transit 5-Button Remote Flip Key (N5F-A08TAA)—BRK
Amazon.com: Obaee Double Door Window Switch Control Button Front Left Driver Side Compatible with Ford Transit MK8 Custom 2014 2015 2016 2017 2018 2019 Replacement OEM 2029885 1791339,4+8 Pins : Automotive
Unique Bargains s22012500ux2531 3 Key Buttons Remote Control Car Fob Key Case Shell Replacement Black for Ford Transit Custom Tourneo Van MK8
Amazon.com: SELEAD Flip Key Fob 4 Buttons Keyless Entry Remote for 2019-2020 for Ford Transit for Ford Transit Connect N5F-A08TAA-2pcs : Automotive
2020+ Ford Transit Connect Flip Remote - 4 Button - Ford Logo - Stratt — Michael Hyde - National Auto Lock Service
OEM NEW 15-23 Ford TRANSIT Mirror Adjustment Control Switch Button Lever On Dash | eBay