Probably the first thing you'd like to change in the Rover is the Wifi network name and password. It's easy - let's do it.
IP: 10.0.0.1 | Login: pi | Password: raspberry
You need to enter a .conf file which runs the access point settings. Type:
sudo nano /etc/hostapd/hostapd.conf
Here you can modify two lines: ssid and wpa_passphrase. Better don't touch the rest.
By default it will be:
To save the changes - click ctrl+o and ENTER [or RETURN].