Tar remover is a type of car cleaning product that is specifically designed to remove tar and asphalt residue that can accumulate on a vehicle's exterior. You might use tar remover on a vehicle:

To maintain appearance: Tar and asphalt residue can make a vehicle look dirty and unattractive. By removing this residue, a person can maintain the appearance and shine of their vehicle.
To protect the paint: Tar and asphalt residue can be difficult to remove, and if left on a vehicle for too long, it can bond to the paint and cause damage. Tar remover can help remove this residue before it has a chance to bond and cause damage.
To save time and effort: Tar and asphalt residue can be difficult and time-consuming to remove. By using tar remover, a person can save time and effort and get the job done more quickly and easily.
To prepare for polishing or waxing: If a person is planning to apply a wax or polish to their vehicle, it is important to remove any tar or asphalt residue first. Tar remover can help prepare the surface for this step, making it easier to achieve a smooth and shiny finish.

In conclusion, using tar remover on a vehicle can help maintain its appearance, protect the paint, save time and effort, and prepare the surface for polishing or waxing.