The first post in this thread answers your question.
Originally Posted by pa7rick
Rear drum brake removal/replacement: An introduction
Also, I could be wrong but I'm under the impression that the parking / emergency hand brake lever gives a rough indication of proper adjustment. Look for five to six clicks when you pull up on the brake lever to hold your Mirage.
View my fuel log 2015 Mirage ES 1.2 manual: 50.1 mpg (US) ... 21.3 km/L ... 4.7 L/100 km ... 60.2 mpg (Imp)