Years ago I started using this technique to set up my mirrors to minimize that. Highly recommended.

[Single-page PDF] https://www.cartalk.com/sites/default/files/features/mirrors...

Is this novel enough that you felt you needed to give a link?!?!

It was literally the first thing my driving instructor spoke about, after I'd got in the driver's seat, and something the examiner was particularly careful to ensure was being checked.

Less needed when relative speeds are high, because with high relative speeds you don't remain in the blind spot for long.