A navigation system (2) and a method for activation or cancellation of presentation of navigation directions by a navigation system (2) for a vehicle(1) user operating a vehicle (1), the method comprises the steps: -comparing a navigation route (5) with a plurality of stored road stretches, wherein the stored road stretches (5a, 5c) are classified as known to the vehicle(1) user, -activating presentation of navigation directions associated to the navigation route (5) when travelling on a road stretch (5b) not included in the stored road stretches (5a, 5c), or -cancelling presentation of navigation directions associated to the navigation route (5) when travelling on a road stretch (5a, 5c) included in the stored.