Turn screen on with other button than Power key’ in ‘Battery save mode”

Hi!

I am currently on a long distance hike and have been using the Garmin GPSMAP 66i every day for the last 8 months. I always have the screen on ‘Battery save mode’ to reduce battery use. In order to get the screen on, one has to press the ‘Power key’. However, after so much use, I have the feeling this button is getting a bit weak. As there are many more months of hiking planned, I was wondering if it is possible to change this function to another button?

Thanks in advance

Meinrad