Grand Marshal taillight fade out

When using hazard lights, the Gavril Grand Marshal's taillights fade out extremely quick. If you compare them to the D-Series' lights or the grand Marshal's front indicators for that matter, you'll find those to fade out slower and more realistically while the Grand Marshal's Taillights go out almost instantly. This not only happens when using the Hazard lights/ indicators, but also when flashing the high beams. Meanwhile, the fading-out of the brake lights works perfectly fine, further indicating that it's most likely a mistake/bug.