Learning Outcome:At the end of the module the learner will be able to change a car battery without losing computer or radio memory as reflected in the module.
The vehicle has definitely gone high-tech, with a multitude of computers controlling everything in the vehicle in one aspect or another. Interrupting power to most of these computers erases memory. The amount and type of data lost varies from one vehicle to another. For this reason, a source of continuous power is essential while replacing the battery in a modern vehicle. For instance, most vehicles have a security code programmed into the radio, making the radio not worth stealing because it will not function without entering a secret code afterward. You may also have to reset everything from seat memories to Bluetooth pairing.
Methods to save the computer and radio memory
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