[header] How to remove windshield streaking [title] Choose a glass cleaner. [step] If you have a larger budget, consider purchasing an automotive glass cleaner. These cleaners are more expensive but will generally give you better results. 
Standard glass cleaners such as windex or a foaming glass cleaner such as zep will also work well. Finally, some people create their own cleaners by using a water and vinegar mixture or simply rubbing pure ammonia on their windshield.