Direct answer
Confirm the vehicle and country support CarPlay, unlock iPhone, test the correct USB port and cable or enable Wi-Fi/Bluetooth for wireless CarPlay, then restart the phone and car. Forget the car and set it up again only after those checks.
What this covers
- Wired or wireless Apple CarPlay in a supported vehicle
- Current supported consumer software as reviewed on August 20, 2026
- The symptom described in the title before a factory reset or hardware repair
What it does not cover
- ×Vehicles, stereos or countries where the manufacturer does not offer CarPlay
- ×Billing, ownership, warranty or account-recovery disputes
- ×Regional features that the manufacturer does not list for your country
Verify support and Siri
ReversibleConfirm the vehicle/stereo supports CarPlay in your region and that Siri is enabled on iPhone.
Test the correct connection path
ReversibleFor wired CarPlay, use the labeled USB port and another known-good data cable. For wireless, enable Bluetooth and Wi-Fi.
Restart iPhone and the vehicle
ReversibleRestart iPhone and turn the vehicle fully off and on according to its manual before retrying.
Forget and add the car again
Reset / data riskOpen Settings › General › CarPlay, choose the car, tap Forget This Car, then repeat the vehicle’s pairing flow.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What should I try first for carplay will not connect to iphone?+
Confirm the vehicle/stereo supports CarPlay in your region and that Siri is enabled on iPhone.
Will these steps erase apps, files or settings?+
The early checks are reversible. Forgetting the car removes its CarPlay pairing and preferences but does not erase iPhone content.
When should I stop troubleshooting?+
Stop if the device reports hardware damage, becomes unusually hot, smells burnt, or the problem falls into this excluded case: Vehicles, stereos or countries where the manufacturer does not offer CarPlay.
Answer for the exact device and software version shown above.