Are sun visors effective?
Are sun visors effective? The short answer is yes. Car sunshades do work in reducing the overall temperature inside your vehicle. The traditional reflective models work by reflecting the sun's solar rays and harmful UV rays while non-reflective shades absorb them. Some tests have shown a decrease in interior temperature of 30 degrees or more. Why does my sun visor won't stay up? Typically, if a visor isn't staying in place on a fixed mount, it's an issue with the clips on the mounting bar that old the visor in place. If the clips have widened and aren't holding the...