If the servo is no longer working take that and the radio/receiver and send them back to us along with your Full Name, Address, Phone number, email address, and a copy of your purchase receipt to the following address:

CEN RACING USA
Warranty/Repair Department
1800 E Miraloma Ave Suite F
Placentia, CA 92870

Also give a basic description (similar to what you have posted above) along with the information you are submitting.