The only reason I bought the Garmin Edge 530 was to be able to use the Varia radar. I need the audio alert to warn me of cars coming from behind since everyone is on a cellphone now. BUT THE ALERT IS SO QUIET IT CANNOT BE HEARD! (Yes, I am swearing and yelling by using all caps) I know the device is capable of making louder sounds because I tested the “help needed” function and that alarm is very loud, yet there appears to be no way to increase the volume of the alert for a car coming at me from behind at 70 mph. There is also NO WAY OF SENDING THE ALARM TO MY CELL PHONE where I could adjust the volume EVEN THOUGH THERE IS A WAY TO SEND AN ALARM TO MY PHONE WHEN MY HEART RATE CHANGES. Likewise there is no way to send the alarm to my Apple Watch. THIS IS INEXCUSABLE! A decent programmer should be able to fix this in short order with a software update, but Garmin does not care enough about bikers to bother to fix this life threatening problem which they have know about for years. Will it take a lawsuit? Come on Garmin FIX THIS!