Spelling vs. Pronunciation

Ok, so something was buggy to me this morning. I was driving into work and I heard an ad on the radio for dishwashers and the man in the ad was pronouncing dishwasher like dishwarsher. It bugged me! There's no "r" it's dish"wash"er not dish"warsh"er!!! I "wash" my car not "warsh" my car, I do the "wash" not the "warsh", and I certainly wouldn't be on the radio selling dish"warsh"ers!!!! Sorry, had to share my bugginess. Proper English is a pet peeve of mine, in case you didn't already know.