Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to drive safely in the rain [title] Keep your windows clean and clear. [step] Being able to see properly is key to driving safely any time, especially when visibility is already reduced because of rain. To improve your visibility : [substeps] Clean the inside and outside of the windows regularly to remove dirt, dust, mud, smoke, fingerprints, grime, and other materials.

Ending1: Use a hepa-rated windshield washer and protective spray solution if needed and an eye protector. Use a dust mask to reduce the chance of dirt particles getting into your eyes. Ending2: If your windows fog up, turn on the air conditioning or cold air in the car and aim the vents at the windows. Turn on the rear defroster, and open the windows if necessary to increase the airflow. Ending3: Wipe down windows and mirrors and replace clean, lint-free cloths as needed. Wipe down windows and doors to keep them clean. Ending4: Clean windshield, fan, and exhaust vents at least twice a week to keep them clean. Be sure to follow all of the instructions on these policies.

Answer format: ending1/ending2/ending3/ending4