I'm driving a"new" used car to my son from Sacramento to Denver. The spritzer for the wipers wasn't working and my mechanic told me it needed a new wiper pump motor but he couldn't do it before I left

In the past, I took my 2006 Toyota 4Runner to dealers to do repairs. I recently had a brake issue that 2 different dealers had trouble properly diagnosing because it was a very intermittent brake issu