scam claiming to sale extended warranties on your vehicles.  They called me and said were calling about your gm warranty it's about to expire, right after I just bought a brand new car with an extended 100,000. mile bumper to bumper warranty! After I told them it wasnt going to expire they argued saying it  wasnt that great a warranty and had loop holes and then tried to sale me one.  really rude and pushy about it too!

Since I told them off they started calling my house weekly and spoke to my husband one day and he was shocked when they told him our warranty was about to expire and he said let me talk to my wife and get back to you.  

So now they call asking for my husband all the time and whenever I answer they just hang up they know I'm not buying their story but my husband may get all complexed up and worried and give up credit card information. So whenever they call and I answer they just hang up rudely!

National auto calls me every day. They don't say nothing just hangs up. This has been going on for the last 3 to 4 month now. I am getting fed up.

Same thing happened to me! I answered once and said I was not interested in, so they hung up rudely.

However, they keep calling and calling everyday!!! I'm really pissed off!! How could I block that number? Is that possible??

Here is the website for the National Do Not Call Registry:
https://www.donotcall.gov

I am getting the same calls, though I have an unlisted number.

Read the instructions, register your phone number and then file a complaint.

I've used them for years. They are trust worthy and your complaint to them will stop the harassment calls.

Just a spam call.  No answer.  Damn dialers.  Welcome to not having a unlisted number.  :-(

THE SAME THING HAPPENED TO ME... ON APR 19... SAME EXACT SCENE.. THEY WERE TRYING TO SELL THE COVERAGE FOR MY CAR.... WHEN I SAID NO...... THEY SHOWED A VERY VERY BAD ATTITUDE.. !

It comes up as National Auto Group on my caller ID and they have been calling me over a period of months I've had my house phone for about 9 months and they've been calling for as long as I've had it.  The du****its keep calling early when the harassment started they used to try and scam me and sale me some extened warranty on my brand new car that I already have an extended warranty on!  They would call and say we're calling because your warranty is about to expire!!  I explained to them it wasn't and they tried to tell me then that it had loop holes but theirs didn't and kept trying to get credit card information!  They recently started calling and asking for my husband because they talked to him one day and he was really friendly so anymore when they call they would ask for him and then after I told them he didn't stay here anymore they started calling and hanging up.  Today (04-12-2011) alone I received 5 phone calls.  Every time I answered they would flat out hang up!  After the 2nd call I called back and it had the option to speak to an operator and to block your phone number from their registry.  I did the second option and blocked it.  I still got a call n hang up I called back the phone system said it was outside the normal business hours, and listed their hours of operation but it wasn't outside the hours!  I got another call, hang up, call back same lame message, fifth tie they called I answered and screamed stop f****ng calling me or I'm gonna call the police and report the harassment!!!!