Opening the trunk
Open the trunk all the way.
Closing the trunk
Keep the trunk lid closed while driving to:
Exhaust Gas Hazard
Using the Trunk Opener

Pressing the trunk opener on the driver’s door unlocks and opens the trunk.
When You Cannot Open the Trunk
Using the Trunk Release ButtonHonda Civic Owners Manual. Synchronized Mode
You can set the temperature synchronously for the driver’s side and the
passenger’s
side in synchronized mode.
1. Press the SYNC button.
The system switches to synchronized mode.
2. Adjust the temperature using the driver’s side temperature control dial.
Press the SYNC button ...