TL AWD V6-3.7L (2010)
Battery: Procedures
Battery Terminal Disconnection and Reconnection
Disconnection
NOTE: Some systems store data in memory (including seat position, mirror position, etc) that is lost when the battery is disconnected. Do the following
procedures before disconnecting the battery.
1. Make sure you have the anti-theft code(s) for the audio system and/or the audio-navigation system (if equipped).
2. If you are replacing the audio unit and/or the audio-navigation unit, write down the audio presets (AM and FM), and the XM audio presets (if
equipped).
3. Make sure the ignition switch is in LOCK (0), or the vehicle ignition in the OFF mode.
4. Remove the bulkhead cover See: Body and Frame/Access Cover/Service and Repair.
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 (including seat position, mirror position, etc) that is lost when the battery is disconnected. Do the following
procedures to restore the systems back to normal operation.
1. Clean the battery terminals.
2. Test the battery See: Testing and Inspection.
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. Install the bulkhead cover See: Body and Frame/Access Cover/Service and Repair.
6. Enter the anti-theft code(s) for the audio system and/or the audio-navigation system (if equipped).
7. Enter the audio presets (if applicable), and enter the XM audio presets (if equipped).
