Forget fancy gauges! In Canada, we have the perfect tire tool right in our pockets. Whether you're driving a hybrid, a sedan, or a heavy-duty truck, this trick works for ANY vehicle on the road.
The 10-Second Toonie Test
Take a Toonie and slip it into your tire’s tread groove with the polar bear's paws facing down. While some people look for the letters, checking the rings as shown in the image above is the only way to be 100% accurate every single time.
