Can I change my all wheel drive rear differential fluid myself ? I have purchased the supplies but my dealer says the software has to be updated when this is done. Is that a true statement ?Related Questionshonda 2007 crvAir Conditioning not working2003 honda CRVif driveline is removed from rear diff can it put on a dolley and pulled with out hurting rear diff2002 honda accord exthe radiator is slowly showing an oil and water mix. The car ran hot 2 weeks ago because the radiator cap wasn't tight. what do I do now?