repair sluggish driver side door lock.
Mechanism might need to be lubed or the actuator is on the way out.
try some silicone lubricant
Lubing will only apply to the lock mechanism & cylinder itself. If it operates but sounds weak the electric actuator could be failing, or some connecting rods in the door could be bent, which can even affect a non electric mechanism from working smooth.
Looking for a Used Accord in your area?
CarGurus has 76,804 nationwide Accord listings starting at $1,395.
Search Honda Accord Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Honda Accord Experts