Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to clean a glass windshield [title] Lift the windshield wipers up. [step] Before spraying any glass cleaner, ensure that the area beneath them gets cleaned as well. Leave them in the " up " position for the duration of the cleaning process.

Ending1: This motion puts less stress on the glass and further keeps dirt and dust from smudging. [substeps] If you are doing the windshield cleaning yourself, you can skip this step. Ending2: [substeps] To clean a window washer or windshield washer, clean the glass using a soft rag, tube, or brush, soapy water, and a push broom. This will improve the shine and will also begin to remove rust. Ending3: [substeps] When lifting your windshield wipers, wear rubber gloves to minimize the risk of getting scratched by glass. Using your hands to lift the windshield wipers might cause severe damage for many people. Ending4: [title] Spray half the windshield with glass cleaner. [step] You could choose to spray either the left or right side first.

Answer format: ending1/ending2/ending3/ending4