How to Check the Transmission Fluid in a Daewoo Nubira The Daewoo Nubira was available with more than one transmission option. The specific transmission on your Nubira will determine how you check the fluid. If you have a typical transmission, checking your fluid will be easy. But if you have a sealed transmission, you'll need a hydraulic car lift to be able to check the fluid accurately. drivetrain These Daewoo automatic transmissions are factory remanufactured and Dyno tested to ensure the highest quality and deliver long lasting performance. Three different warrantys are avialable; 1 year, 3 year 100,000 mile and 5 year un-limited mileage warranty is available and delivered with each unit.