What type of differential fluid does a 2004 buick rendezvous awd take?

The 2004 Buick Rendezvous AWD uses Dexron-VI automatic transmission fluid in its differential. However, it's crucial to verify this with your owner's manual. While Dexron-VI is common, there's always a small chance of a variation depending on specific model year and options. The owner's manual will give you the definitive answer.