Customer purchased a vehicle worth $20,000 from Carvana.
Faced difficulties when trying to use the warranty.
Calls for Carvana to improve their service.
Briefing: 'This Is A $20,000 Issue': Man Buys Through Carvana. Then He Tries To Use His Warranty When Something Goes Wrong
Strategic angle: A customer's experience highlights issues with Carvana's warranty service.