Command system not working?
That's from my experience at least.
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My salesman told me to unplug everything from the ports and leave the car overnight or at least for 5 hours if I'm not mistaken for everything to reset. ( if you notice, the settings for the exhaust, engine, suspension etc .. will stay the same even after you turn off the engine for at least 4 hours. afterwards, everything resets and even the command system).
I did it, and next morning everything was perfect ! it was the first and last time I face this issue. hope it helps
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