I had a Saab 93 estate (station wagon, for the benefit of non-UK residents) with this feature and loved it. I'd often use it and then also dial the brightness a

I had a Saab 93 estate (station wagon, for the benefit of non-UK residents) with this feature and loved it. I'd often use it and then also dial the brightness all the way down. Really helped to reduce visual fatigue when driving at night.