Step 1: Touch the Bluetooth logo on the touch screen

It’s easy. From the Home screen, look for a similar symbol in the upper right corner and click on it:

Image results for Bluetooth symbol "Tesla"

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Step 2: Select your phone

On the left side of the screen, you should see a list of devices ready to sync with your car. For example, whenever I sync with a new device, my phone appears as "Neil's iPhone." I know, I know, truly original. At least I'll never forget the phone's name! Tap the device name to select it. A big blue button will pop up that says "Connect." Click this button. An option to sync "Contacts and recent calls" will pop up. If you want your car to be able to access your contacts for easy dialing, set this setting to "On." Otherwise, keep the button in the "off" position.

Protip: Before you start this process, make sure Bluetooth is enabled on your phone. You could save yourself a headache or two if you could just turn on the Bluetooth portion of the touchscreen.