The unwritten rules of the pit lane are enforced by stares, tone, and occasionally an official with a radio. Nobody hands them to you. Consider this the handout — the paddock behaviour code, written down, from the families who learned it the normal way.

The hard rules — safety, not etiquette
Hot pit rules are the non-negotiables: during active sessions, the pit lane is a working surface, and the rules about crossing it, where riders enter and exit, and when the pit wall is open are the track's, not suggestions. Learn them at your first venue and relearn them at each new one, because they differ. Scooters: the paddock's official vehicle of chaos — kids on pit bikes and scooters have rules at every venue (age limits, helmet rules, where they may go), and the parent who lets a seven-year-old carve through the paddock at speed is the reason venues ban them for everyone. Speed anywhere people walk is walking speed. These three — hot pit, scooters, speed — are the etiquette rules with teeth: officials can and will have conversations, and repeat offenders have weekends end early.
The soft rules — the code
Coaching from the wall: quiet, brief, and never mid-corner. A hand signal a rider knows is fine; a running commentary screamed over the pit wall is coaching nobody can hear and everyone can hear. The universal signal for a fast rider approaching a slow one — held hand, pointed pass — exists so riders manage traffic; adults on the wall help by not drowning it out. Treating officials well is not optional kindness: the timers, the marshals, the tech inspectors, the stewards are the sport's volunteers and professionals, and the family that argues sharply at tech or berates a teenage flag marshal is marking its own file. When you have a question, walk over and ask like a person; officials, in our experience, are generous with families who are decent to them.
The line between support and pressure
The stands are full of kids riding for a parent's approval and it never looks good from the outside. The code: the debrief is about the riding, not the result; the tone after a bad session is the same as after a good one; the rider's effort is the only thing on the review sheet. Cheering is welcome; measuring is audible. And the kids absorb the code from us more than from any rulebook — the rider who watches their parent thank the marshal, accept a bad call, and congratulate the fast kid will do all three themselves, which is the actual championship the paddock awards.
Why it matters
None of this is decoration. The paddock works because the code holds: families who feel safe and respected come back, series stay welcoming, venues keep hosting us, and the kids grow up in a place where how you win and lose is taught alongside how to brake. The kids watch us too — that is not a slogan from a poster; it is the operating condition of the whole sport.