Change size/shape of navigation arrow?

🚧 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/request-a-feature/change-size-shape-of-navigation-arrow/
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My wife finds it easier to use Google Maps, although the size and shape of the arrow is the only major difference I can see. In settings, could this be customized? Maybe I could choose a different icon for the car?