One-Two-Three-Four!

Survivor Perk

While standing still and idle, press the Active Ability button to perform for up to 15 seconds, triggering continuous Skill Checks. When completed, Survivors within 16 metres gain +20% increased Skill Check frequency while healing or repairing for 90 seconds. Cooldown: 110/100/90 seconds.

From Vee Boonyasak