At a glance
What can fail
The horizontal adjusters on your headlamps are uncovered. This allows the headlamps to be adjusted left or right, which violates Canadian regulations that require a built-in aiming device for such adjustment.
What the fix does
Porsche will mail you instructions to visit a dealership, where technicians will install caps over the headlamp adjustment screws.
Summarized — see the official notice for exact wording, dates, and contacts.