Volvo Car USA LLC and Volvo Car Canada LTD (Volvo) on behalf of Volvo Car Corporation, have decided to launch Service Action S79852 on certain model year 2016 XC90 vehicles equipped with air suspension. Volvo has identified that the rear air spring dust cover may fall down. The corrective action is to replace the existing cable ties on both rear air spring dust covers with a steel clamp per the attached instructions.