
You can prevent rental cars from being damaged by leaving their car unattended. You should first clean up any spillages immediately. You may want to keep a paper towel in your car. You should also avoid drinking or eating in your car. It can be dangerous for your car and a health risk.
Cleaning a rental car
Empty the car of all personal belongings before you return it. This will help you see any visible stains or dirt. Clean up any bird droppings and vacuum any carpets. Avoid parking your car under trees or eating in the car while you are renting it. You might also consider washing the car to get rid of stains.
Rental car companies have improved their cleaning practices to ensure the highest cleanliness and sanitation. For instance, some companies use alcohol-based disinfectants, which can reduce the risk of transmission of disease. Companies may require employees to wear masks on their faces, and to wash their hands regularly.

Cleaning a rental car: guidelines from the CDC
You've probably heard about the CDC's guidelines for cleaning a rental car, but you're not sure what they are. It is recommended that rental cars should be cleaned and disinfected within 24 hours of their return. Cleaning your rental car with disposable gear will reduce germ transmission. After cleaning is done, wash and discard your gear. To allow air circulation, it's important to open doors and windows. It is important to use soap and water to clean surfaces, but it is also important that you disinfect the area with a disinfectant.
Rental car companies are now doing more than just disinfecting surfaces. Enterprise Holdings, for example, has implemented new cleaning protocols. Before the car is handed to another driver, they ensure that it is cleaned, sanitized and disinfected.
Cleaning a car rented from you
Prices for cleaning a rental vehicle vary depending on whether it is being cleaned by a company or the condition of the vehicle. Some companies charge $30 and others up to $400, depending on the car's condition. Cleaning fees will be charged based on the car's interior as well as its exterior. You should verify the cleaning charges of car rental companies before you book.
Cleaning your rental car can be costly, especially if you have a very dirty car. Dirty rental cars can negatively impact the after-market value of the car and will also affect the financial health of the car rental company. It is important to keep liquids and crumbs out of the car. You can use either a vacuum or a handcar wash to clean your car. You may have to pay extra to clean it.

To clean a rental vehicle, use a car washer
When you plan to return your car rental to a rental company you must clean it well. Most rental car companies require that the vehicle be returned in the same condition you took it. You must remove all trash and debris from the vehicle before returning it. Wash it quickly, then take photographs.
Be sure to verify the car wash's sanitizing or disinfectant levels before you rent a car wash. The car wash can remove too much dirt but you could end up paying additional fees. A car that is too dirty to rent can lead to cleaning and valet charges.
Dispute a cleaning fee with your credit card company
You can dispute any rental car cleaning charges with your credit card issuer. It is possible to also contact the mediation service of the car rental company, but this could take quite some time. To support your claim, you could also take a photo of or record the vehicle you rented.