There are many other options available for you that can be used instead of Auxiliary cable. You can connect your phone using Bluetooth, FM Transmitter, Car Adapter, and USB cable. It depends upon your stereo which of these options are supported.

How can I play my iPhone through my old car stereo?

Plug one end of your iPhones data or lightning cable to the port at the bottom of your iPhone. Take the other end of the cable and plug it to the USB port on the car stereo. Set your car stereo to iPhone/USB mode. Press the menu button on your car stereo and set it to USB or iPhone mode.

How do I connect my phone to my car AUX?

0:111:30How to Connect Android Phone to Car Stereo and Listen to Music on Aux YouTube