He wanted to build his own radio and turned to the TEF6686 chip, a device often found in car radios. It is known to be very sensitive and seemed perfect for pulling in weak signals.

Regardless of which dealer you bought your car from, one should be able to help. Have the make, model, year, and VIN of your vehicle handy in addition to the serial and part numbers of the radio.

Listen to your radio in the accessory position. When you get the warning, start the car to allow the battery to charge up while you are still listening to the radio.

Most new cars are fitted with DAB radios. However, if you are replacing your old car radio with a DAB receiver, you will need to check whether the existing car aerial is suitable for DAB. If not ...