To,
The Show Room Manager,
_____________ (Name of the Company),
_____________ (Address)

Date: __ /__ /____ (Date)

Subject: Complaint letter for late delivery of the car

Dear Sir/Madam,

It is to bring to your notice that, I am _____________ (Name of the customer) residing at ______________ (Address).

I am writing this letter to inform you regarding the latest purchase of a car I made from your showroom. Here are the details for the same:

Order number: _____________ (mention Order number)
Bill Number: _____________ (mention bill number)
Name of the product: _____________ (mention)
The model number of the car: _____________ (mention model)
Payment Mode: _____________ (mention mode of payment)
Registered Contact Number: _____________ (mention contact number)
Address: _____________ (mention your address)

I would like to bring to your notice that I have not yet received the product. I purchased it for a very special occasion __________ (Mention the occasion in brief). I was informed by your staff that the order will be delivered to my address by _______ (Date), but till now, it had not been delivered.

I request you to please look into the matter and inform the reason for the delay. Waiting for your response and the product at the earliest. Please contact me on the details below.

Waiting for your prompt response,

Yours ____________ (Sincerely/Faithfully),
___________ (Name),
___________ (Contact Details),
___________ (Signature)