The golf course mapping, CourseView, has over 27,000 golf courses worldwide* and is still growing. Garmin releases a new CourseView update about once a quarter to make course revisions and add new courses.
In order to obtain this update for the Approach:
Following these instructions will ensure the latest firmware and mapping is in the Approach.
* Course capacity and coverage may differ for each device; to view course capacity and coverage, visit the product specs page for the Approach series device in question.
Approach series product page: https://buy.garmin.com/shop/shop.do?cID=261