If you're having trouble hearing phone calls over your car speakers while using Apple CarPlay...
- Check the volume level: First, make sure that the volume level on your phone and car stereo is turned up. You may also want to check if there is a separate volume control for calls on your car stereo.
- Check the audio settings: Check your CarPlay audio settings and ensure that the "Play Sound Through" option is set to your car's audio system. If it's set to "iPhone," you may not hear calls through your car speakers.
- Check for software updates: Ensure that both your iPhone and car's infotainment system are running the latest software updates. This could fix any compatibility issues that could be causing the problem.
- Check for interference: Check if there is any interference from other devices, such as a Bluetooth headset, that could be causing the problem. Wireless interference: Power lines, radio or television. transmitters, transformers and other electronic devices may cause noise on the phone line. --> Resolve Wi-Fi and Bluetooth issues caused by wireless ...
Try restarting your devices: Sometimes, restarting your iPhone and car's infotainment system may help resolve the issue.