Driver cannot select reverse gear when vehicle speed is 15 km/h (9 mph) or less(M/T) (2016 2017 2018)
WARNING: This page is about a different car, the 2018 Honda HR-V, 2017 Honda HR-V, and 2016 Honda HR-V. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic procedure