Caution: Refer to Battery Disconnect Caution in the Preface section.

1. Record all of the customer's radio station presets.
2. Turn OFF all the lamps and accessories.
3. Turn the ignition OFF.
4. If equipped with regular production option (RPO) LX9, perform the following steps. Loosen the negative battery cable bolt at the battery.
5. Remove the negative battery cable (1) from the battery.



6. If equipped with RPO LY7, perform the following steps. Open the negative battery cable cover (1).
7. Loosen the negative battery cable nut.
8. Remove the negative battery cable from the battery.

Important: Clean any existing corrosion from the battery terminal and the battery cable end.

1. If equipped with RPO LY7, perform the following steps. Install the negative battery cable to the battery.

Notice: Refer to Fastener Notice in the Preface section.

2. Tighten the negative battery cable nut.

Tighten
Tighten the nut to 16 N·m (12 lb ft).

3. Close the negative battery cable cover (1).



4. If equipped with RPO LX9, perform the following steps. Install the negative battery cable (1) to the battery.
5. Tighten the negative battery cable bolt at the battery.

Tighten
Tighten the bolt to 16 N·m (12 lb ft).

6. Reset all of the customer's radio station presets.