There is a button on the side of the mirror box with the flash symbol. Pushing that should cause the flash to go up except if it is set on the 'green rectangle' on the mode dial, in which case the camera will cause the flash to go up in low light situations automatically
Answers & Comments
There is a button on the side of the mirror box with the flash symbol. Pushing that should cause the flash to go up except if it is set on the 'green rectangle' on the mode dial, in which case the camera will cause the flash to go up in low light situations automatically