Per the notice:
" It’s the end of the road for Warner Bros. Discovery‘s MotorTrend+ automotive streaming service. The media company announced that MotorTrend+ will be shut down after content from the service is fully migrated to Discovery+ and Max at the end of March. The majority of current MotorTrend+ subscribers will be automatically switched over to Discovery+’s ad-free plan by the end of March, retaining their same subscription price. The company said eligible MotorTrend+ subscribers will receive email instructions on how to access Discovery+. MotorTrend+ subs who signed up through certain third-party partners will not be moved over.