Yes, blinking means the alarm system is armed and working.
The blinking D on the Honda Accord means that the transmission is throwing out a code just like a CEL.
No, only the key for a specific Civic can unlock it.
This is an indication you have a bulb burnt out on the side the blinker is blinking real fast.
Transmission error
It isn't supposed to. It's against safety laws. No, usually you find that on a Honda.
By wearing the seatbelt.
Transmission Prssure Switch/Sensor -
You can call a locksmith to unlock your Honda CRV 2007 if you have lost your keys. Locksmiths have special tools that allow them safely unlock your car without causing damage. You can not use tape to unlock your Honda CRV 2007.
How do I troubleshooting the D4 blinking on 1993 Honda accord LX ?
Transmission problem
normally the coil pack
Press the unlock button on the key.