Ontario Window Tint Laws

Window tinting is a common decision for many car owners when it comes to making alterations to their vehicles. To maintain compliance and avoid fines, it’s important to comprehend the laws and regulations governing window tinting.

The laws regulating window tinting in the province of Ontario will be thoroughly discussed in this article, giving you an in-depth understanding of them.

Understanding Window Tinting

Window tinting is the process of applying a thin film to a car’s windows in order to help reduce the amount of heat, UV rays, and visible light that enters the vehicle’s interior.

Improved privacy, reduced glare, and protection against UV rays are just a few advantages it offers. It’s important to remember that different states have varied window tinting laws.

Legal Limits for Window Tinting in Ontario

The Highway Traffic Act in Ontario sets down the guidelines for window tinting laws. The Act sets specific limitations on areas where window tinting is legal as well as how dark it may be.

The darkness of Window Tint

The Visible Light Transmission (VLT) % is used to gauge the tint’s darkness in accordance with the laws governing window tint in Ontario. VLT is the term used to describe how much light can be seen after it has passed through the tint film and the glass. The colour becomes darker as the VLT % decreases.

  1. Front Side Windows: A minimum of 70% of visible light must be able to flow through the tint on the front side windows. In other words, the VLT percentage must be at least 70%.
  2. Rear Side Windows: Any amount of darkness is possible for the tint on the rear side windows, which are behind the driver.
  3. Rear Window: The tint on the rear window can also have any darkness level.

Reflectivity and Mirrored Tints

The reflection and application of mirrored tints are also governed by Ontario’s window tint laws. The tint cannot, according to the law, be very reflective on the outside. Also banned are tints that reflect or reflect light on the front and rear windows.

Exemptions and Medical Exceptions

The Ontario Window Tint Laws specify requirements for window tinting, although there are exclusions and medical justifications that let people break the rules.


  1. Factory Tints: The laws do not apply to vehicles that have factory-installed window tinting on any windows behind the driver’s seat. It’s important to check if the factory-installed tint conforms with the laws, nevertheless.
  2. Limousines: Behind the driver’s seat, tinted windows are allowed on limousines.

Medical Exceptions

A medical exception from the window tinting rules may be available for those with certain medical problems. These conditions include:

  • Photophobia (light sensitivity)
  • Xeroderma Pigmentosum (XP)
  • Lupus
  • Dermatomyositis

People must submit an application to the Ministry of Transportation together with supporting information from a medical expert in order to be granted a medical exemption.

Penalties for Non-Compliance

Penalties and fines may apply if the Ontario Window Tint Laws are broken. Respecting the law is important for avoiding legal penalties. The following are some potential penalties for non-compliance:

  1. Removing or Modifying Tint: Drivers may be asked to remove or adjust window tint in order to comply with laws if a car is discovered to have more window tint than is permitted.
  2. Fines: Depending on the severity of the offence, violating the window tinting rules may result in penalties between $110 and $500.
  3. Demerit Points: Drivers who break the law may sometimes additionally get demerit points on their licenses. Increased insurance costs and possible license suspension are two consequences of these demerit points.


Every driver in the province of Ontario must be aware of the window tint regulations. You can assure compliance, avoid fines, and take advantage of window tinting’s advantages without worrying about breaking the law by adhering to these rules.

To make sure your window tinting complies with the regulations, always verify the exact criteria listed in the Ontario Highway Traffic Act and seek expert advice.

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