On The Spot Mobile Car Detailing In Dallas Is The Number 1 Choice For Auto Detailing in Dallas. On The Spot Mobile Auto Services now offers its Mobile Detailing division in Dallas Texas along with its already popular roadside assistance services through On The Spot Roadside Rescue! This is just one of the many mobile auto services to be added through On The Spot. Many of the maintenance requirements with just one vehicle can costs us a lot of time out of our days to take care of. This can amount to a lot of lost time just sitting and waiting to be serviced.