Don’t do that, say you live far away and youll only drive there if the deal is right to not waste mine or their time.
Just call them and request the New Cars Sales Manager and let then know youre trying to see if they can get close to numbers you want (search the forums for QX50 deals and try to get the best one), or email them on a similar car MSRP to a car deal someone else got.
Or if all else fails, pay a broker. Its up to you but check the forms: