Tennessee allows only 35 percent or more visible‑light transmission on the driver and passenger side windows. A 20 percent tint therefore violates the law for those panes; it is permissible only on rear windows and the windshield if a reflective strip is present. Drivers who install 20 percent film on the front sides risk citations, fines, and forced removal.
Tennessee tint standards
The state’s motor‑vehicle code (Tenn. Code Ann. § 55‑6‑1312) defines the allowable light transmission percentages. Front side windows must let in at least 35 percent of visible light. There is no VLT limit for the rear side and rear windows, so any darkness, including 20 percent, is legal there. The windshield may have a non‑reflective tint of up to 70 percent VLT, but any additional film must meet safety‑glass requirements.
Enforcement and testing
Law enforcement officers use handheld photometers to measure VLT on the spot. A reading below the legal threshold triggers an automatic traffic stop. If the driver cannot produce a valid tint‑certificate, the officer issues a citation and may order the vehicle to be taken to a certified shop for compliance verification. The testing process is quick, typically lasting less than five minutes per vehicle.
Common misconceptions
Many drivers assume that “any tint is fine if it looks professional.” The law does not distinguish between cosmetic and safety tint; the numeric VLT value is the sole criterion. Another myth is that “sunscreen‑type film is exempt.” All aftermarket films, regardless of composition, must meet the statutory VLT limits. Finally, some believe that a “medical exemption” permits darker front‑side tint; Tennessee does not provide such an exemption for visual‑impairment conditions.
Penalties for non‑compliance
A first‑time violation results in a fine of $100 to $250 plus court costs. The vehicle must be inspected within 30 days, and the illegal film must be removed or replaced with a compliant level. Repeated offenses can lead to higher fines, possible suspension of vehicle registration, and increased insurance premiums. Courts may also order the driver to attend a visual‑safety workshop.
Can I have 20 percent tint on my rear windows?
Yes, Tennessee places no VLT restriction on rear side or rear windows, so 20 percent tint is fully legal there.
Is a medical waiver available for darker front‑side tint?
No. The state statutes contain no provision for medical exemptions to the front‑side VLT requirement.
What happens if I’m stopped without a tint certification?
The officer will issue a citation and may require the vehicle to be taken to a licensed tint shop for a compliance test. Failure to correct the violation within the prescribed time frame results in additional fines.
Do aftermarket films need to be installed by a professional?
While the law does not mandate professional installation, a certified installer provides a written VLT certificate, which is useful if you are ever challenged by law enforcement.
How often are tint inspections performed?
Inspections occur during routine traffic stops, vehicle registration renewals, and after the vehicle has been involved in an accident where the windows are examined.