The fifth-generation RAM 1500 (DT, 2019 onward) moved to a lighter frame, coil-spring rear and the large Uconnect touchscreen, with an eTorque mild-hybrid option on the 3.6 V6 and 5.7 HEMI. These guides cover the owner-doable resets and services for the DT — clearing the oil-change reminder from the instrument cluster, swapping the smart-key battery, and disconnecting the 12-volt battery safely.