What would cause honda crv noise after turning off?

You can expect to hear certain noises after shutting down Your Honda CR-V and in the majority of situations it will be nothing to worry about. The most common noise that people hear after shutting this vehicle down will be caused by the vacuum pump located inside the fuel evap leak check module. If You are instead hearing something like a clicking noise that will be instead cause the electric brake booster system under the hood. This noise will be activated every three minutes that one of the front doors is open. So if You heard this clicking while You were unpacking or takeng in groceries then this was almost certainly the cause.