Mitsubishi 2010 RVR Owner's Manual page 135

Features and controls
To lock and unlock with the key (driver's door)
Turn the key toward the front of the vehicle to lock the door.
After checking that the door is locked, turn the key back to the
center and remove it.
3
1- Insert or remove the key
2- Lock
3- Unlock
3-38
NOTE
When locking or unlocking with the key, only the driver's
door will be locked or unlocked.
To lock or unlock all doors and the liftgate, use the power
door lock switches, the keyless entry system or the
F.A.S.T-key operation.
Refer to "Power door locks" on page 3-41, "Keyless entry
system" on pages 3-8 and 3-33, and "To operate using the
F.A.S.T.-key" on page 3-18.
In vehicles equipped with the F.A.S.T.-key, the driver's
door can be locked and unlocked using the emergency
key.
Refer to "Emergency key" on page 3-29.