When changing the battery in my SILs 2014 GMC Terrain 2.4L 4cyl, this vehicle DID NOT LOOSE any dashboard(computer) information. And, I had the battery out of the vehicle for quite some time while I removed it, brought it to AAP and came home with a new battery. At least 1 hour.
*The clock kept time.
*The trip odometers both kept thir same miles.
*The compass only went to "CAL" then reset properly.
*The radio stations ALL stayed right where they were.
*The TPMS didn't need a recalibration.
My question is, are there capacitors in TERRAIN/ EQUINOX & other GM vehicles for all of these features that allow them to keep their information?
Last edited by Char Baby; 01/19/20 12:25 PM.