UK speed limits shown in km/h not mph in CarPlay integration

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/uk-speed-limits-shown-in-km-h-not-mph-in-carplay-integration/
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UK speed limits are converted to km/h from mph in the CarPlay integration resulting in the display showing 48.2 as the speed limit in a 30mph zone and 97 in a 60mph zone. The GPS speed below is correctly displayed in mph.