Audi A3 Cabriolet 2015 — technical service bulletin
Bulletin A571507 2039814- · NHTSA communication 10120701 · issued Feb 13, 2015
Technical service bulletin
communication type
Equipment
component
2015
model years
1
vehicle entries
Official summary
A remote key low battery warning icon and the warning message "Please change key battery" appear in the instrument cluster. DTC B147918 (Remote key 1 voltage too low) is logged in the vehicle electrical system control module. The remote key battery is correct.
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.