Bluetooth must be enabled for both the car and your phone for them to be able to pair. You can turn Bluetooth on in settings. Make sure that your phone is set as discoverable so that the car can find it when pairing.
To be able to use CarPlay, you need to activate Siri on your iPhone and have an active internet connection. You also need to turn the car's Wi-Fi off as CarPlay can't be active while Wi-Fi is enabled.
Press the car symbol 
in the bottom bar and go to Settings.
in the bottom bar and go to Settings.Go to .
Press Add to search for your iPhone.
Select your iPhone from the list of discovered devices.
Check that the confirmation code in the display matches the one shown on your phone.
On your iPhone, consent to using CarPlay.
In the car's display, read and accept CarPlay's terms and conditions.
Your iPhone connects to CarPlay and the CarPlay view opens in the car's display. A CarPlay symbol 
also appears in the status bar to indicate that CarPlay is active.
also appears in the status bar to indicate that CarPlay is active.CarPlay automatically starts the next time you connect your iPhone via Bluetooth.
Tip
You can disconnect from CarPlay but keep your iPhone connected to the car by pressing the CarPlay symbol next to your device's name in the car's Bluetooth settings.
next to your device's name in the car's Bluetooth settings.