Indeed, Teachers play a crucial role in promoting self-regulated learning. By understanding SRL processes and becoming more effective in SRL promotion, teachers can play a major role in promoting SRL. For students, self-directed learning is also very crucial. SDL exhibits strengths in its external control features while SRL exhibits strengths in motivational and cognitive features of learning. You have already explained SRL. Let me put the definition of SDL by Brockett & Hiemstra, 1991; Hiemstra & Brockett, 2012; Ruttencutter, 2018; Stockdale, 2003. They said that Self-directed learning is defined as both a process of learning in which the individual establishes elements of control over their learning and characteristics of learners including self-efficacy and motivation.

If you want to know the benefits of SDL, here is a well-written article that may help.

The Benefits of Self-directed Learning: https://mytutorsource.com/blog/the-benefits-of-self-directed-learning/