Battery Terminal Disconnection and Reconnection: Disconnection
NOTE:
Some systems store data in memory that is lost when the battery is disconnected. Do the following steps before disconnecting the battery.
- Make sure you have the anti-theft code(s) for the audio and/or the navigation system (if equipped).
- Write down the audio the presets (AM and FM), and the XM audio presets (if equipped), because the audio unit dose not retain the presets after the battery is disconnected.
- Make sure the ignition switch is in LOCK (0).
- Disconnect and isolate the negative cable from the battery.NOTE: Always disconnect the negative cable from the battery first.
- Disconnect the positive cable from the battery.