Hyundai Equus 2009–2012 — technical service bulletin
Bulletin 22-01-013H · NHTSA communication 10208866 · issued Feb 3, 2022
Technical service bulletin
communication type
Equipment
component
2009–2012
model years
6
vehicle entries
Official summary
The brake fluid specifications labeled on the master cylinder reservoir cap and in the vehicle ownerâ s manual require revision to indicate DOT 4 brake fluid only. This bulletin describes the procedure to replace the master cylinder reservoir cap and apply a sticker to the ownerâ s manual with the revised brake fluid specification.
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.