No, they should still work.
pull the cover plate off by hand,then remove the bolts then the radio will pull right out.
It will delete the pre-programmed radio stations.
Insert the correct code in the radio by way of the preset buttons.
Radio presets.
In the fuse box under the hood by the battery
It is a complicated process to reset the radio in your Hyundai Sonata after changing the car battery. First you must have the access key. Enter the access key at the prompt and follow the instructions that will be shown on your radio screen.
Set the clock and radio presets.Set the clock and radio presets.
No. The only thing would be the clock and radio.
You probably need a code to enter into the radio presets as it is a security radio. Without the code it will not function.
Clock & radio presets. Possibly the radio security code if the car is equipped with a security system on the radio.
Check your fuse panel for a blown radio fuse.