Firstly, if you do not have a display on your eBike you will need to download the Giant RideControl App on your smartphone.
Once you have fitted to the VOLspeed to your motor there are 2 stages to getting your device setup.
Without Display - Launch the RideControl App on your phone, follow the steps to connect your eBike to the app. Once complete, you will need to tap 'ride' follow by the 'play' button.
Stage 1 - Initial setup (page 8), use your arrow buttons and follow the sequence in the instruction manual
Following this combination you will see the following sequence
11.1kmh (10s) --> Wheel Circumference Figure (5s) --> 25.0kmh (5s) --> 0.0kmh
Do not press any buttons during at this stage
If your display does not follow this sequence check you have connected the device correctly.
Stage 2 - Speed Mode (page 9)
Once you have completed the initial setup it's time to set your new max assistance speed.
Press your arrow buttons, down / up / down / up in quick succession. You should see 32.0kmh appear on your display, use your up / down to change this value to your desired max speed. Once you have your desired speed, leave the display for 5 seconds to set.
Each and every time you ride, you will need to press your arrow buttons down / up / down / up to activate the new speed limit, likewise press the sequence again to deactivate it.
If you would like to adjust your max speed, simply follow the steps at Stage 2.