I've got to agree with the Pledge! I've used it for 20 years on everything I've owned, and have not had problems with any vehicle I've put it on. My vehicles sit outside, with a windshield sun visor in summer, no cracks. Love, love, love it!

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1992 500SEL 25K
1995 E320 40K
1995 SL600 120K
2002 JX8 Sport 43K
2005 Volvo S40 95K
2006 Isuzu NPR 304K (Frankencamper)
2007 Crown Victoria 150K
2014 Smart Electric 20K