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. If the Malfunction Indicator Lamp Comes On or Blinks
Reasons for the indicator lamp to come on or blink  Comes on when there is a problem with the engine emissions control system.  Blinks when engine misfiring is detected.  What to do when the indicator lamp comes on Avoid high speeds and immediately get your vehicle inspe ...