Tesla has enabled Sentry Mode on all its showroom vehicles to combat vandalism against its inventories.Sentry Mode uses cameras and sensors to monitor surroundings, and initiates responses like pulsing headlights, alarm, and recording footage.Recent acts of Tesla vandalism have been associated with public protest against Elon Musk's work as an advisor to President Trump.Tesla is facing challenges with vandalism, declining stock, and low consumer interest, but the company has overcome similar situations in the past.