Can you put an aftermarket radio in your Cadlilac CTS?

Yes, you can install an aftermarket radio in your Cadillac CTS, but it may require some modifications. You'll need a compatible wiring harness and possibly a dash kit to ensure a proper fit and functionality. Additionally, be aware that certain features, like steering wheel controls, may require additional adapters. Always consult a professional if you're unsure about the installation process.