We have never experienced a Walmart horn blower, but one overnight stay at a Bakersfield, Ca. WM was rather exciting. We were parked very near the fence separating the on-ramp to I-5 from the Wal-Mart parking lot - our bedroom on the on-ramp side of the coach. Around 1 am I was awakened by a terrific loud screeching noise. I jumped up, looked out the window, and was surprised to see a fireball up against the fence about 30 feet from our bedroom window. A motorcyclist had lost control of his bike while accelerating on the curve of the on-ramp. He laid the bike down and it burst into flames. Thankfully, he was unhurt, but his bike ended up being a molten mess. Thank goodness for that fence that stopped the forward motion of his bike.