Terminal Disconnection and Reconnection

Battery Terminal Disconnection and Reconnection

Disconnection

NOTE: Some systems store data in memory (including seat position, mirror position, steering tilt/telescopic position, etc) that is lost when the battery is disconnected. Do the following steps before disconnecting the battery.

1. Make sure you have the anti-theft code for the audio system or the navigation system (if equipped).

2. For some models or if you're replacing the audio unit, it maybe necessary to write down the audio presets (AM and FM), and the XM radio presets (if equipped), because the audio unit does not retain the presets after the battery is disconnected.

3. Make sure the ignition switch is in LOCK (0).

4. Remove the battery trim.

5. Disconnect and isolate the negative cable from the battery.

NOTE: Always disconnect the negative cable from the battery first.

6. Disconnect the positive cable from the battery.

Reconnection

NOTE: Some systems store data in memory that is lost when the battery is disconnected. Do the following steps to restore the systems back to normal operation.

1. Clean the battery terminals.

2. Test the battery Battery Test.

3. Reconnect the positive cable (A) to the battery (B) first, then reconnect the negative cable (C) to the battery.

NOTE: Always connect the positive cable to the battery first.





4. Apply multipurpose grease to the terminals to prevent corrosion.

5. Enter the anti-theft code for the audio system or the navigation system (if equipped).

6. Enter the audio presets (if applicable), and enter the XM radio presets (if equipped).

7. Set the clock (for vehicles without navigation).

8. Do the steering column position memorization Programming and Relearning.