Instructions will vary based on the manufacturers of both the vehicle and stereo unit.
That means there are limited ways to add CarPlay to an older car that doesn’t already have it.
you’re able to add this feature in very limited circumstances by updating your vehicle’s infotainment system.

Upgrading a car stereo doesn’t have to be difficult, but there are a lot of factors to consider.Jason Todd / The Image Bank / Getty
it’s possible for you to contact a local dealer, or just search the internet.
If theres no firmware update available, youll need to replace your head unit.
Start bychecking the head unit in your vehicle.
Check the available options, and look for one that will fit in your vehicle.
If you could find a harness adapter, you wont need to cut or solder any wires.
Remove and replace the head unit.
You may be able to connect wirelessly, but most of these head units support a wired connection.
Before you buy a CarPlay stereo, verify which size your car uses.
FAQ
No.
The brains of CarPlay are inside your iPhone.