In the City Sample project in 5.4 or 5.5, I noticed that after switching from Surface Cache to Hit Lighting for Reflections and with Max Reflection Bounces > 1 that most of the vehicles exhibit the following artifact in their reflections:
In the City Sample project in 5.4 or 5.5, I noticed that after switching from Surface Cache to Hit Lighting for Reflections and with Max Reflection Bounces > 1 that most of the vehicles exhibit the following artifact in their reflections: