To: The Customer Support / Grievance Officer
[COMPANY NAME AND ADDRESS / GRIEVANCE EMAIL]

Date: [DATE]
From: [YOUR NAME]
Phone / email: [YOUR CONTACT DETAILS]

Subject: Formal complaint about my [MODEL], registration [REGISTRATION]

Dear Sir or Madam,

I am writing to make a formal complaint about the vehicle described below.

Vehicle details
- Model: [MODEL]
- Registration: [REGISTRATION]
- Odometer reading today: [ODOMETER]
- Date of purchase: [PURCHASE DATE]
- Invoice number: [INVOICE NUMBER]
- Job card / ticket numbers: [JOB CARD / TICKET NUMBERS]

Issues
1. [ISSUE 1: what happened, on what date, and what you were told]
2. [ISSUE 2: what happened, on what date, and what you were told]
3. [ISSUE 3: add or delete lines as needed]

What I have already done
[List earlier calls, emails and service visits, with dates and reference numbers.]

Actions I request
1. [For example: a written diagnosis of each issue listed above]
2. [For example: repair, replacement or refund, with a date by which it will be completed]
3. [For example: compensation for the period the vehicle was unusable]

Please acknowledge within 48 hours of receiving this letter, and send a written reply with a reference number and a named point of contact.

If the matter is not resolved, I will take it to the National Consumer Helpline and the District Consumer Disputes Redressal Commission.

Yours faithfully,
[YOUR NAME]

Attachments: [invoice, job cards, photos, screen recordings, firmware version screenshots]