Mazda CX-5 2016–2017 — technical service bulletin
Bulletin MT-020-17 · NHTSA communication 10188491 · issued Nov 9, 2017
Technical service bulletin
communication type
Electrical System
component
2016–2017
model years
5
vehicle entries
Official summary
The MODE switch operation for the Mazda Radar Cruise Control (MRCC) system has been changed as follows: Previous - Press the MODE switch to switch to the cruise control function. New - Press the MODE switch and hold for 2 seconds_ to switch to the cruise control function.
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.