No, just reset the clock and the radio presets. The computer takes care of itself just like a home computer you unplug and then plug back in. No data is lost in the process and there is nothing to reprogram.
Located in the trunk of the car on the side underneath a plastic cover.
because the remote is no longer programmed it will need reprogrammed
Check the battery cables or starter.
Yuor battery is leaking fluids or gases. The battery likely needs replaced.
Maybe the car needs gas.
If it has a dead cell the battery will not hold a charge and must be replaced.
By any chance have your battery cables been off ? If so , all the radio preset channels have to be reprogrammed
If the remote car starter stopped working after a new battery was installed in the remote, the remote needs to be reprogrammed. If the remote starter stopped working after a new battery was installed in the vehicle, the computer might need to be reset by disconnecting the battery for a few minutes.
A light is on or a relay is stuck pulling power from the battery.
Something else is broken.
Dead cell in the battery or something is on pulling power from the battery. If it is a dead cell the battery must be replaced.
You can take your car to any car dealerships, auto repair shop, or AutoZone and they will be able to test the strength of your battery. AutoZone will test your battery free of charge.