Safeway electric blanket

I bought an electric blanket made by Safeway.The one control stopped working and the guarantee had passed,bought a new one and luckily it was still under guarantee when the controller also gave in.Safeway gave me excellent service to replace the blanket,but after sending 3 emails to find out if I have 2 years guarantee,till now NO response. It looks like the controllers is a genuine problem.They will have to better on the controllers or else they will loose a lot of business.