Is your Nissan's performance feeling sluggish? Discover the truth about Nissan CVT transmissions in our 2026 guide. We break down the 5 most common warning signs—from mysterious whining noises to sudden power loss—and share expert-backed prevention tips to save you from costly repairs. Learn why professional maintenance and using Genuine Nissan Spare Parts are the ultimate secrets to keeping your SUV running smoothly for years to come.