Can-Am Ryker 2019–2021 — technical service bulletin
Bulletin Bulletin 2021-4 · NHTSA communication 10191570 · issued Apr 13, 2021
Technical service bulletin
communication type
Exterior Lighting
component
2019–2021
model years
4
vehicle entries
Official summary
Repair Procedure Revision- Brake Light Switch Adjustment Vehicle may indicate brake light switch failure, rear brake light stays ON or flashes intermittently.
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.