It depends on the trim level of your vehicle. On trim levels LX and EX the part is simply a cover
Item #14 in this diagram.
HondaPartsNow.com offers the lowest price and fast delivery for genuine 2010 Honda CR-V 5 Door EX (4WD) KA 5AT Instrument Panel Garnish (Driver Side).
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If your trim level is EXL or higher the part is a sensor, Item #21 in this diagram
Shop lowest-priced Instrument Panel Garnish (Driver Side) for 2010 Honda CR-V 5 Door EX-L (4WD NAVIGATION) KA 5AT from HondaPartsNow.com.
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Note that the last letter of the Honda part # will vary depending on the color of your dash.