1999 Chevrolet Silverado 1500 "wh batteries mean" Questions

Need manual for Sony WH-100XM2 Here is a link to the manufacturer website showing some pdf manuals for this item ...

...digital info readers dont work, console lights flicker and dim, sometimes inside lights flicker, wh 1996 Jeep Cherokee runs but none of these work: dashboard, digital reader console, locks,

...batteries and should last the life of the vehicle. The transceiver module communicates with the encoded ignition key. This module is located behind the steering column shroud and contains an antenna ...