 The first thing we do in a rental car is pair up our phone for directions, calls, and music. But there is a privacy risk if you don't take this very important step. I'm Kim Commando for StartMail. Tired of big tech tracking your email? Get a 7-day free trial and 50% off at StartMail.com slash Kim. Before returning a rental car, you need to remove your phone from the paired devices. Your phone transfers all sorts of data to the car. Contacts, call logs, text messages, even your navigation history.