Tint options?

Yes.
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In Ontario, no tint is guaranteed to be legal on the front side windows, the backs can be any tint.

 

dumb laws in my state of Virginia only allow 50% on the front and 35% on the rears. My VOLT is tinted 30% up front and 25% on the rears, But ill do 35% all around on the prius here very soon. looks clean and even.

Ive seen some tint pics by searching on google/bing. Search Prius Tint, and that should help.

 

Here's 20% 3M grey all around. I'm not legal since the state mandates no more than 30% on the front windows. But, this really works nice. Cost was about $320 including visor and 5 year no-fault replacement.

 

I chose 35 on side, 20 front. Though not a V, you get the idea.

I think 35% on sides are perfect. 20 % is on darker side for side windows.

 

Depends on where you're at I suppose. Here, at 5000 ft elevation under a cloudless sky at 100'F, 20% feels pretty great.
A/C works about 1/2 as hard.

 

You're right it's all about location. With the ceramic tints, you now don't need to go dark for heat resistance.

I would imaging it doesn't get too hot in Ontario?

 

Its good to avoid confusing the reflection of infra-red heat "rays" with the avoidance of interior heat. The suns rays generate heat inside the vehicle just the same with low tints as they do with no tint. UV rejection is the same, it has no effect on interior heat. So the low tint ceramic and similar films do prevent heat from being transmitted from outside to inside, but only darker tints prevent heat from being generated inside.

That said, the dark tints DO cause the glass to get warmer than no/low tint, but the net heat gain is still reduced greatly because the interior surfaces are not being warmed. A person is an interior surface too.

None of this matters when a car sits out in the sun, (after about 20-30 min), it still gets hot inside. When it matters is in cooling down a hot car and keeping it cool. But as said, its all about where you're at and how strong those suns rays are.

 

We got 35% all around on our new Ford Fusion Energi as a part of the haggle back on Memorial Day weekend. Turned out great. The car stays cooler, the driver and passengers squint a LOT less, looks great from the outside, and yet doesn't look like a rolling night club. Might not be exactly completely absolutely legal in our fair state of Virginia, but cops don't seem to key in on 35%... so far. With 35%, one can look into the car from the outside, and that seems to pass the common-sense test for Officer Friendly. We used 3M.

I'm now thinking of running 35% on the PiP too.