Porsche Panamera 2010–2012 — technical service bulletin
Bulletin TIS-53-11 · NHTSA communication 10043268 · issued Dec 16, 2011
Technical service bulletin
communication type
Electrical System
component
2010–2012
model years
6
vehicle entries
Official summary
Porsche: some model year vehicles are experiencing a reduction in comfort when engine starts after serveral attempts are made, using driver's key. *pe
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.