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I've recently installed your dashboard instrument for my BMW, and I'm encountering several issues. First off, there seem to be some missing features like boot up animation, right-hand drive support, door information, and gear display toggle. Additionally, the gear indicator is stuck on 'P', which is quite frustrating. Moreover, I'm getting a persistent alert stating 'Transmission. Drive carefully' since the installation, and I can't seem to clear it. I'd really appreciate your guidance on how to address these problems. Looking forward to your prompt response.