In the first scene with Phil, his gun accidentally goes off, but later it is pointed out that he has the safety on.
When Shawn spots that the safety on Phil's pistol is on, the word "on" appears next to the safety. A Beretta 92 has no such marking. It simply has a red dot that is visible when the safety is switched off.
The speed dial buttons on the phone in the bank read "Conference Room", "Home", "Reception", "Security", "Concierge", "Room Service", "Valet", "Spa", "Front Desk", "Housekeeping", "Bar" and "Pool/Cabana".
At the Beginning of 'Gus walks into a Bank,' as Lassiter, Jules, Spencer, and Luntz are all talking around the car, you can notice from the reflection of Lassiter's, Jules', and Luntz's sunglasses the cameras, crew, and white screen clearly visible.