Honda 1993 Accord Coupe Owner's Manual page 4

Keys and Locks (cont'd)
Power Door Locks (US: LX/EX/SE, Canada: EX-R/SE)
Both doors can be simultaneously locked and unlocked by operating
the master door lock switch located on each door.
In addition, the passenger door will lock automatically when the tab
on the driver's door is pushed forward, or when the driver's door is
locked from the outside with the key.
Unlock
Lock
Lock
MASTER DOOR
LOCK SWITCH
Lock
Unlock