No, we need to legislate that you should be able to use the hardware features that come with your vehicle without a subscription. What will the average consumer do with encryption keys? Even then, you’d need to decrypt and rewrite the ECU or other system that controls this hardware to run your own version, and if that doesn’t work, you’d need to have hardware to manually intercept communications between the suspension and the system verifying your subscription, and intercept the signal to always send an ok signal.