Up to
98%
Heat Reduction

Riverside, California
Keeping your vehicle's tint within California's rules helps you avoid a ticket and keeps your view of the road clear. Our guide explains how the limits work, what they mean for the windows on your car, and how to check your film before you drive in Riverside.

Tint that falls outside California's limits can lead to a citation and the cost of putting it right. A fix-it ticket asks you to correct the problem and provide proof that the vehicle now complies, which usually means having the film removed or replaced with a legal shade.
Taking film off is slower and more awkward than it looks. Adhesive often needs heat or steam to release, and rear glass with defroster lines needs care. Choosing a compliant shade first avoids the cost.
California sets different limits for passenger cars and for multi-purpose vehicles such as vans and SUVs, and the rules can differ from window to window on the same vehicle. Reading the figures for your vehicle type before you choose a film is the simplest way to keep your car compliant while still getting the look and comfort you want. The diagrams below set out how the limits apply.
Passenger Vehicles
Passenger cars, including convertibles, have set levels for each window, so the front sides are treated differently from the rear glass.
A non-reflective tint / sun strip, is allowed 4 inches from the top as long as it does not go past the AS-1 line on your windshield.
The California law allows 70% of light visibility for front side windows.
The California law allows any shade of light visibility for rear side windows.
The California law allows any shade of light in visibility for the rear window.
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Passenger Vehicles
Hatchback, Sedan, Coupe, Station Wagon
Multi-Purpose Vehicles
Trucks, vans and SUVs are treated as multi-purpose vehicles, with their own permitted levels for the windshield, front sides and the glass behind the driver.
A non-reflective tint / sun strip, is allowed 4 inches from the top as long as it does not go past the AS-1 line on your windshield.
The California law allows 70% of light visibility for front side windows.
The California law allows any shade of light visibility for rear side windows.
The California law allows any shade of light visibility for rear window tint.
Want a car window tinting quote in Riverside, CA?
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Multi-Purpose Vehicles
SUV, Van, Truck
Check with local authorities to confirm current requirements.
Kepler IR and IR+ nano-ceramic films manage infrared heat, so lighter shades remain an option. Visible light transmission is separate from heat performance, so compare the exact film and shade.
Up to
98%
Heat Reduction
Up to
99%
UV Protection
Up to
96%
Glare Reduction
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Warranty terms
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Elevate your vehicle's privacy and appearance with our exclusive Nebula film. Our deepest tint option, Nebula, provides superior elegance and safeguarding.
What's the next step?
Explore our films in a full 360-degree view, aiding our Riverside window tinting clients in finding the ideal tint shade. View our varietyhere.
Tell us about your vehicle and the film you have in mind, and ask a local tinter whether they carry Kepler film or can get it.


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Kepler films are made for daily use on the road, standing up to sun, heat and cleaning without the fading or discoloration that lets a car down. A dealer can explain the coverage that applies to the specific film you choose and what it means for your vehicle over the long term.
How Kepler works
Kepler makes the film, not the tint job. Independent tinting businesses install window film. For a project in Riverside, California, ask a local tinter whether they carry Kepler film or can get it, then arrange the work directly with that shop.
Start your quote requestFilm availability and installation services vary by independent shop.
Kepler makes automotive and architectural window film, from everyday tint to nano-ceramic.
Independent tinting businesses install window film. Ask a local shop whether they carry Kepler film or can get it.
Share your project details, then ask an independent local tinter whether they carry Kepler film or can get it.
Check the current official tint rules and enforcement guidance for your vehicle. If you receive a citation, follow the instructions on that notice and confirm any required action with the issuing authority. Do not rely on this page for a penalty amount or a prediction about the outcome.
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