Must remember to turn on the Power in future?

Intended to do a new route of 54 miles out to Worfield yesterday...hhhmmm. Relied on the Garmin to navigate the new route but my Garmin battery power gave out after about 6.5 miles - thought I knew where I was going - didn't - made a few wrong turns & ended up doing a shorter ride of 41.5 miles.

Must turn the power on when charging the Garmin in future?

To top it off when I was cleaning my crash helmet I noticed the shell was cracked at the front - this now means I have to buy a new helmet before I can ride again.