Travel day pass data is pre-installed for all new activations for Sunrise Freedom (Young) swiss start, swiss calls, swiss unlimited, swiss neighbors and Europe&US.
For any other Freedom or Mobile Unlimited subscription, travel day pass data can be installed in MySunrise or under settings in the Sunrise cockpit.
If you are not sure if travel day pass data is installed for you, simply surf to cockpit.sunrise.ch from your mobile phone and check the settings.