NHTSA Complaint #11463895 — 2014 ENTEGRA ASPIRE

In march of 2021 I left Las Vegas Nevada for home (montana) . 70 miles north on highway 93 (2 lane 70 mph ) road def level light came on . Engine power reduction in 30 miles. I then called Spartin mgf. was told to find a rock and hit the top of the DEF head.?? Ok so i did lights went out and i went on 200 miles later lights came on again! found a safe place to pull over and repeated previous instructions. Lights went out and i went on. 50 miles later I arrived in a town called Lund. (population 250) with no warning engine went to reduced engine power and slowed to 1 MPH!!! still on a 2 lane highway! this put my family"s life as well as mine and other motorists in serious danger! this motorhome sat in a motel parking lot for 3 weeks before i could get parts to fix it. this cost me thousands of dollars and is not acceptable for any motor vehicle at any price point.