How to Remove Hardened Water Spots From Auto Mirrors & Glass

by Kimbry Parker
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black car wing mirror image by Christopher Nolan from Fotolia.com

If you live in an area with hard water, you might notice water spots on your automobile mirrors and glass. Hard water spots are caused by excessive minerals and deposits in your water. Whether from a sprinkler hitting your car, or from washing your car and not drying it thoroughly, hard water spots are unsightly and can inhibit your ability to see clearly out of your automobile windows and mirrors.

Step 1

Fill a clean, empty spray bottle with a solution of 1 part water and 2 parts vinegar. If the spots are severe, use undiluted vinegar.

Step 2

Spray the vinegar onto the hard water spots. Let it sit for five minutes.

Step 3

Scrub the windows and mirrors with wet paper towels to remove the vinegar and the water spots. Dry thoroughly with clean paper towels or a soft rag.

Make a paste of 3 parts baking soda and 1 part vinegar if the spots persist. Use a sponge to scrub the paste onto the glass. Let it sit for 5 to 10 minutes, then rinse with clean water. Dry the windows thoroughly with paper towels or a soft rag.

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