Hyundai Elantra 2021 — technical service bulletin
Bulletin 21-BE-007H · NHTSA communication 10191795 · issued Apr 21, 2021
Technical service bulletin
communication type
Exterior Lighting
component
2021
model years
1
vehicle entries
Official summary
Some 2021 Elantra (CN7a) rear combination lamp turn signal light bulbs may prematurely become inoperative. This bulletin describes the procedure to replace the rear combination lamp turn signal light bulbs for both the right and left side.
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.