Touch to lock

Just got my SEL 5 in white on Wednesday and am having fun getting to know it. I'm a long-time lurker and understand the complaints about not being able to see the speedometer, no walk-away to lock, etc.

Not sure if this is common knowledge, but I just discovered that you can touch the driver or front passenger handle to lock it before you walk away (instead of having to hit the fob).

Any other helpful tips?