Connect a laptop with Toolbox to the vehicle.
In Toolbox, select the connection status icon at the top right corner,
and then select Connect Locally.
Get into the driver seat, and then close the door.
In Toolbox, type window in the search field.
Note: Make sure that "Actions" is selected, if
Procedure
Clean the installation surface of the spoiler with isopropyl alcohol
(IPA) wipes, and allow it to dry before continuing.
Note: Clean any moisture or contaminates that might be
present from rain or vehicle washing, otherwise this might result in poor
adhesion of the rear spoiler.