We are sorry to hear that you have been experiencing problems with your new [name of product].
While we do ask that our customers contact their dealer in the event of a problem， we recognize that， in your case， it his would be impossible. Therefore， if you will carefully package the unit in its original carton and send it to us，our "doctors" will put it through a thorough examination to determine the source of the problem.
If the problem turns out to be a minor adjustment， we shall make the repair and be sure to return the [product] to you within thirty days. If our determination is that the unit is defective， we will send you an immediate replacement.
Again， I am sorry that you experienced this difficulty and wish to thank you for your patience and for purchasing our [product].
GUARANTEE
FOR VALUE RECEIVED， the undersigned hereby guarantee absolutely and unconditionally prompt payment of the within Note and agree to pay all cost of collection， legal expenses and attorneys' fees， incurred or paid by the holder of the within Note in the collection and/or enforcement of said Note and the enforcement of this Guaranty.
No renewal or extension of said Note， no release or surrender of any security for said Note or this Guaranty，no release of any person primarily or secondarily liable on said Note （including any maker， endorser or guarantor），no delay in the enforcement of payment of said Note or this Guaranty and no delay or omission in exercising any right or power under said Note on this Guaranty shall affect the liability of any of the undersinged hereunder. The undersigned expressly waives presentment， protest，demand， notice of dishonor or default， notice of acceptance of this Guaranty and notice of any kind with respect to said Note or this Guaranty or the performance of the obligation under said Note or Guaranty.
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