Three cats means three separate verdicts on the new box, delivered at three different speeds. The confident cat may use it on day one, the middle cat may wait until it smells familiar, and the shy cat may not approach until the other two have proved it safe. Treating the rollout as a single switch-over invites the classic failure: trays removed too early, the slowest cat toileting on laundry or behind furniture, and the box blamed for a timetable problem. Instead, the automatic box earns its place gradually while the old system stays fully available.
Stage One: A New Object That Does Nothing
Place the automatic box beside, or very near, the existing trays rather than in a new location, because cats choose litter spots by geography as much as by equipment. Leave it switched off, fill it with the same litter the cats already use where the design allows, and let investigation happen at each cat's own pace. Scoop it manually so it stays clean and inviting, and sprinkle a little used litter from a familiar tray into it so the scent signature reads as a toilet rather than a machine. Note who sniffs, who steps in, who digs, and who actually toilets in it. A cat who will not enter may simply need more days, a step or lower approach if entry height differs, or the box moved a little further from a wall or appliance noise.
Stage Two: Movement and Sound, Carefully Introduced
Only when all three cats have at least investigated the still box, and ideally after each has used it, introduce the cleaning cycle as a remote event. Run it while the cats are in another room, then let them discover the box already still and clean again. Next, run it while they are in the general area but not using it, and watch reactions individually: freezing, fleeing, avoiding the room afterwards, or refusing trays nearby all mean the sound-and-motion stage needs more repetitions at a distance. Never let a cycle start with a cat inside during this teaching period if the design allows you to prevent it, and never carry a reluctant cat to a moving box to show her it is harmless. That demonstration teaches the opposite lesson.
Tracking Acceptance Cat by Cat
Keep a simple tally for each cat: uses the new box, uses old trays only, avoids the litter area, or toilets outside any tray. Those four states, recorded daily for a couple of weeks, show you whether acceptance is genuinely spreading or whether one cat has quietly opted out. The familiar trays remain until the tally shows every cat using the automatic box willingly across several days, and many households sensibly keep one ordinary tray permanently as backup for power cuts, breakdowns, illness, or a cat whose preference never fully transfers. Change nothing else during the rollout: same litter where possible, same tray locations otherwise, same cleaning routine for the old trays, so the box is the only variable being judged. If two cats convert and the third uses only the old tray happily, that is a workable end state, not a failure to force.
When Avoidance Means More Than Preference
A cat who stops using any tray, strains, vocalises in the box, visits very frequently, or suddenly toilets elsewhere needs a vet check rather than more training time, because litter habit changes are a recognised way cats flag discomfort or illness. That applies even when the timing tempts you to blame the new equipment. Separate the questions: the vet rules on health, and the rollout resumes only when the cat is comfortable. Households sharing tray duty can divide the observation work so no cat's pattern slips past unnoticed, and the daily tallies sit naturally inside Care Teams on KinsLe alongside each cat's other care tasks.