Re: problems using carplay and bluetooth hearing aids : I use hearing aids with bluetooth. I recently bought a 2023 Toyota Rav 4 which has Carplay.
Where to start ? All we know about your issue is what you have told us so far,
Wondering if you have consulted the car manufaturer's manual, or support team
and
whether or not the car's firmware / software is up-to-date for compatibility with CarPlay on iPhone..
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Re: Can anyone tell me how to make the car stereo always take precedence for audio from my iphone when using carplay?
Seems that would generally be the usual output for audio when using CarPlay on iPhone. You may want to check with the car manufacturer whether its possible to connect your hearing-aids with the car's system.
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Trouble-shooting:
We don't know which model iPhone you use, or which iOS version is installed:
(Also: Was CarPlay correctly set-up for use?)
and
whether or not all the software on your iPhone and in the car is up-to-date for compatibility.
Eg: About iOS 18 Updates - Apple Support says the newest iOS version is iOS 18.6.2
and
"This update provides important security fixes and is recommended for all users".
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If you haven't yet seen them: Apple support provides online CarPlay articles that may, or may not, help:
First: How to
Set Up CarPlay: Use CarPlay with your iPhone - Apple Support
Use your vehicle’s built-in controls to control CarPlay - Apple Support
Play music
Change settings in CarPlay - Apple Support
Hearing-Aids trouble-shooting
Settings: Look in Settings > Accessibility > Hearing Devices >
and
Compatibility: List of Made for iPhone hearing devices - Apple Support
and
How to: Use Made for iPhone hearing devices - Apple Support
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For a particular issue with CarPlay itself:
Try Apple Support : Use their link at the bottom of the article: If you need help with CarPlay - Apple Support
All the best :-)