Honda Pioneer SXS500M 2018 Owner's Manual page 183

Battery
negative (-) terminal lead
positive (+) terminal lead
battery
rubber band
Installation
Reinstall in the reverse order of removal.
Be sure to connect the positive (+) terminal first, then the negative (-)
terminal.
Make sure the clock is set to the proper time after the battery is
reconnected (page 25).
Servicing Your Honda 173