Honda Civic Service Manual: Differentials

Driveline

...

A/T Differential Carrier Bearing Replacement (A/T)

Removal NOTE: The bearing and the bearing outer race should be replaced as a set. ...

See also:

Honda Civic Owners Manual. Using the Smart Entry with Push Button Start System
When you carry the smart entry remote, you can lock/unlock the doors, fuel fill door, and open the trunk. You can lock/unlock the doors and fuel fill door within a radius of about 32 inches (80 cm) of the outside door handle. You can open the trunk within about 32 inches (80 cm) radius ...