If you read page 74 Chapter 5-8 of our user manual:

http://www.trafficware.com/uploads/2/2/2/5/22256874/synchro_11_user_guide_2020.pdf

Bing pulls from the most updated internet directly. You will need to refresh your Bing Location to receive the updated Map. Otherwise your bing map is cached once pulled and will pull up the cached map each time. 

Please let me know if you have any other questions.