You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
Gotta ask, did you reboot? Every time there’s issues that are fixed by rebooting. Regular two scroll wheel reboot, give it a try. I do it for every firmware install.
And don’t have any of those problem on either car.