A place for more technical discussions. Please make sure you post in the correct section on the site, this way it keeps the site tidy AND ensures you get a more relevant answer.
Police driving course teaches you to push in the button, or else you got a 4'o'clock parade!
The same with (obvious really but you'd be surprised how many 'drivers' don't do it) when parking, make sure the wheels are in a straight ahead position.
If it's been or is raining, turn off the wipers and when they have 'parked', then switch off the engine.
Just common sense really but I digress.
Yes, always push in the button as you pull on the hand brake.
All down to car consideration etc.