An improved adjustable lift strut support adapted for permanent attachment to a shock tube of a vehicle’s failed lift strut. A noise-reducing device, which includes a shell structure where a rough surface portion having a ten-point height of irregularities in a range of 0. If the proxy logic is unable to complete filteringscanning of a message within a timeout period, the store-and-forward logic is invoked to complete filteringscanning of the message. Light emitted from a planar light source, passed through each optical window, and configured to enter the mutually adjacent convex lenses corresponding to the optical window is directed in mutually different directions by the mutually adjacent convex lenses, respectively.