The radio doesn't have a battery. It uses the vehicle electrical system / battery. If the power to the radio is interrupted, you will have to reenter the presets. Make sure the fuses for the radio are not blown.
The radio doesn't have a battery. It uses the vehicle electrical system / battery. If the power to the radio is interrupted, you will have to reenter the presets. Make sure the fuses for the radio are not blown.
Clock radio with an internally rechargable battery backup system are best.
Boston Acoustics Horizon Duo-I Clock Radio is what you want.
make sure there is a battery backup in the radio
check your radio backup 7.5 amp fuse in the engine compartment fuse box. It also controls the clock, not sure of the lighter.
Anytime a battery cable is removed from the battery the radio will need to have the clock reset and the radio stations re-programmed. (Helpfull)
What model corolla?
It seems like your radio is damaged. You can try to reset the system by taking out the battery, if the radio is in your car.
Depends on the vehicle you're asking about which you did not list.
There is no way to disable the theftlock really. You can google it, and find out the password for your radio, and then change your battery, and then enter the code.
See if the "Related Question" below regarding the radio in a Windstar - expect it to be exactly the same...
There is nothing to reset except the radio presets and the clock.