Can you add heads up display to a car?
You can download a head-up display app on any smartphone. Likewise, as long as your vehicle offers a compatible power source, you should be able to find an aftermarket HUD unit. As for built-in systems, nearly every car manufacturer makes at least one 2022 model offering a HUD.
Can you add a backup camera to a car without a screen?
Another option is a hard-wired or wireless backup camera with a monitor. The latter is less expensive and a smart choice for older vehicles that lack an infotainment screen. These can cost as little as $100-$200, depending on the model.