To change the battery you would remove the cover on the back of the gauge with a cross head screwdriver, open with flat head screwdriver, change battery and replace cover.
answered 1 year, 8 months ago
2out of 2found this answer helpful.
There is a small screw behind the gauge that you remove for battery access.
answered 2 months, 2 weeks ago
0out of 1found this answer helpful.