See also:

Easy Exit Driver Seat
This feature can move the seat rearward to allow extra room to exit the vehicle. : Press to recall the easy exit seat position. The vehicle must be in P (Park). See Memory Seats on page 3‑7 a ...

Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement. For Vehicles with gasoline engines, please read this. ...

Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL® engine coolant. The coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first. The follow ...