Two problems related to wiper have been reported for the 2012 Lexus IS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Lexus IS based on all problems reported for the 2012 IS.
The dashboard Is sticky/melting causing it to be extremely shiny. It Is available for inspection upon request. Due to the shininess of the dashboard, it causes a glare on the windshield during the daytime. This glare causes difficulty with being able to safely see through the windshield.
Lexus Is250 has a melting dashboard and it's really hard to drive when the sun Is out . . . It glares out your vision when driving . . . I was researching and saw some people got a recall for the melting dashboard since it's really unsafe to drive it with the dashboard starting to melt . . In the picture I added you can see how my dashboard Is shiny because its melting and sticky too.