Honda Civic Owners Manual: Opening and Closing the Trunk

Auto Door Locking/Unlocking

Your vehicle locks and unlocks all doors automatically when a certain condition is met. Auto Door Locking Drive lock mode All doors lock when the vehicle’s speed reaches about 10 mph (15 km/h) ...

Precautions for Opening/Closing the Trunk

Opening the trunk Open the trunk all the way. If it is not fully opened, the trunk lid may begin to close under its own weight. Closing the trunk Keep the trunk lid closed while driving to ...

See also:

Honda Civic Owners Manual. Low Smart Entry Remote Signal Strength
The vehicle transmits radio waves to locate the smart entry remote when locking/ unlocking the doors and fuel fill door, opening the trunk, or starting the engine. In the following cases, locking/unlocking the doors, opening the trunk, or starting the engine may be inhibited or operation ...