Hyundai Sonata 2020 — technical service bulletin
Bulletin 20-01-001H · NHTSA communication 10170900 · issued Jan 2, 2020
Technical service bulletin
communication type
Equipment
component
2020
model years
1
vehicle entries
Official summary
This bulletin describes the procedure to identify and retrieve the Unique Identification Numbers (UID) from the 20MY Sonata's Identity Authentication Unit (IAU) to enable Hyundai Digital Key.
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.