Open Settings
Tap Privacy & Security
Tap Location Services
Tap Maps
Select Never or While Using the App
Open Maps
Tap your profile icon
Tap Favorites
Delete saved locations
Tap Recents
Clear recent searches
Open Settings
Tap Maps
Turn off Show Parked Location if needed
Open Settings
Tap Safari
Tap Clear History and Website Data if Maps data is linked through web activity
Open Settings
Tap General
Tap iPhone Storage
Tap Maps
Tap Delete App
Reinstall Maps from the App Store if needed