The type of rendering that CarWindow will perform. Depending on your app, you may need to try different ones for best performance
Instead of rendering your UIViewController’s view, this will render the layer using renderInContext
SDLCarWindowRenderingTypeLayer
  
  case layer = 0
  
  
  
  Renders your UIViewController’s view using drawViewHierarchyInRect:bounds afterScreenUpdates:YES
SDLCarWindowRenderingTypeViewAfterScreenUpdates
  
  case viewAfterScreenUpdates = 1
  
  
  
  Renders your UIViewController’s view using drawViewHierarchyInRect:bounds afterScreenUpdates:NO
SDLCarWindowRenderingTypeViewBeforeScreenUpdates
  
  case viewBeforeScreenUpdates = 2