Please choose the correct solution to the question: How do I clean my car tires?

Solution1: Use a window cleaner such as Windex and spray it on your tires and let sit for a few hours before using a toothbrush to scrub them.

Solution2: Use a tire cleaner such as Armorall and spray it on your tires and let sit for a few minutes before using a stiff brush to scrub them.

Answer format: solution1/solution2
Answer: solution2