Chevrolet HHR 2007–2011 — technical service bulletin
Bulletin PIC4782A · NHTSA communication 10156953 · issued Mar 27, 2019
Technical service bulletin
communication type
Electrical System
component
2007–2011
model years
5
vehicle entries
Official summary
The purpose of this Preliminary Information (PI) is to inform dealership personnel the difference between the 2007 and the 2008+ HHR Panel Van transmitters.
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.