1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Disconnect the connector.

4. Remove the bolt.
5. Remove the horn.
6. Install in the reverse order of removal.
Horn InspectionOil Seal (Differential) Replacement [G35 M R]
1. On level ground, jack up the vehicle and support it evenly on safety stands.
2. Remove the aerodynamic under cover No.2..
3. Drain the oil from the transaxle..
4. Remove the front splash shield..
5. Separate the drive shaft and joint shaft from the transaxle..
6. Remove the oil seals u ...
Climate Control Unit Removal/Installation [Full Auto Air Conditioner]
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Upper panel.
b. Shift lever knob (MTX).
c. Selector lever knob (ATX).
d. Shift panel.
e. Side wall.
f. Console.
g. Center panel.
h. Audio unit.
3. Remove in the order indicated in the table.
...
Light Switch Inspection
Vehicles Without Auto Light System
1. Disconnect the negative battery cable..
2. Remove the column cover..
3. Remove the light switch..
4. Verify that the continuity between the light switch terminals is as indicated
in the table.
If not as indicated in the table, replace the light ...