I have a speedhut revolution oil pressure gauge that stays at 100. I tried to reset it holding the button while off and turning on the power for 12 seconds but it only goes down to 40. Who knows how to adjust these gauges? Thanks
To clear you do the following while doing a normal peak recall. (Quoted from the directions) While showing peak reading, release button, and immediately press and release again within 5 seconds. LED will flash 2 times and pointer will travel to zero to indicate peak has been cleared. Hope this helps.