Whenever you are in the Injured State, Lucky Break activates:

Suppresses your Pools of Blood and Scratch Marks for a maximum of 40/50/60 seconds, after which Lucky Break deactivates.
Each 1 second spent healing another Survivor recharges Lucky Break by 1 second up to its maximum Effect duration.

Lucky Break also deactivates whenever you are Healthy or in the Dying State.

After repairing a Generator for at least 3 seconds, its Aura is highlighted to you in yellow.

The Generator stays highlighted until it is either fully repaired, you start repairing another Generator, or enter a Locker.
Entering a Locker will trigger a Loud Noise Notification for the Killer at the highlighted Generators location.
Red Herring has a cool-down of 60/50/40 seconds.

Whenever you finish healing another Survivor, Teamwork: Power of Two activates and both you and the healed Survivor benefit from the following effect:

Grants a 5 percent Haste Status Effect for as long as you stay within 12 metres of one another or one of you loses a Health State.
Teamwork: Power of Two has a cool-down of 180/160/140 seconds.

Survivors can only be affected by one instance of Teamwork: Power of Two at a time.

When you unhook a Survivor, the rescued Survivor benefits from the following effects for 4/6/8 seconds:

Scratch Marks and Pools of Blood are suppressed.
Additional 7 percent Haste Status Effect, boosting their Movement speed.
Guardian reveals the Killers Aura to you for 8 seconds.