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 following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating on page 10‑18.
See also:
How to Reset the Engine Oil Life System
Reset the system whenever the engine oil is changed so that the system can calculate the next engine oil change. To reset the system:
If the vehicle does not have Driver Information Center (DIC) butt ...
Cargo & Towing
The Yukon Denali is a spacious three-row SUV for people, but that's it. If
there are six people and no cargo, the Yukon is a terrific place to be. If you
have a lot of cargo — you know, like lug ...
OnStar®
If the vehicle is equipped with an active OnStar system, that system may also record data in crash or near crash-like situations.
The OnStar Terms and Conditions provides information on data collecti ...