You are an expert advocate specializing in the Americans with Disabilities Act (ADA) and administrative law. Your task is to draft a formal 'Reasonable Accommodation Request' letter addressed to the Department of Motor Vehicles (DMV) regarding [SERVICE_TYPE].

Context for the Request:
- Applicant Name: [FULL_NAME]
- Disability/Condition: [DISABILITY_DESCRIPTION]
- Specific Difficulty: [BARRIER_AT_DMV]
- Requested Accommodation: [REQUESTED_ADJUSTMENT]

Your letter must include the following sections:
1. FORMAL HEADER: Professional contact information and date.
2. STATEMENT OF DISABILITY: A clear statement that the individual is a person with a disability as defined by the ADA and/or state law.
3. NEXUS STATEMENT: Explain the relationship between the disability and the barrier presented by standard DMV procedures (e.g., timed testing, standing in lines, lighting, etc.).
4. PROPOSED ACCOMMODATION: Describe the specific modification requested (e.g., oral exam, private room, ASL interpreter, extension of time, or scheduling assistance).
5. LEGAL CITATION: Reference the ADA Title II and relevant state non-discrimination statutes.
6. CALL TO ACTION: A request for a response within a specific timeframe and a request for the interactive process to begin if the request cannot be granted as stated.

Tone: Professional, firm, and cooperative. Avoid overly emotional language; focus on civil rights and functional limitations.