No. The Rm-RK50 is an infra-red remote so has to be pointed at the head unit in order to work.
If you want a steering wheel mounted control you'll need to look for another solution; I can't suggest any as you haven't stated which vehicle you want it for but you may find what you want here.
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i replaced the battery correctly, bbut every minute or so it will switch sources without me touching...
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i replaced the battery correctly, bbut every minute or so it will switch sources without me touching a button, what could it be