I used to rely only on the mileage sticker, but that backfired once. My SUV began shifting a bit rough on cold mornings, nothing dramatic, yet it bothered me. I booked a transmission service in Edmonton after a friend suggested checking fluid condition early. They inspected the fluid, replaced the filter, and explained what wear signs to watch for. The car felt smoother within days, especially at low speeds. Since then I mix both approaches: I watch the intervals, but I also listen for small changes. It feels less stressful knowing someone actually looked at the system instead of guessing. Paying for routine care made more sense than waiting for slipping gears, and it helped me plan maintenance around trips without unexpected surprises later.