GMC Yukon Denali Hybrid 2009 Owner's Manual

To reset the oil life monitor, turn the ignition to the "ON" position, press the "INFO" button to scroll to the "OIL LIFE" screen, then press and hold the "RESET" button until the display shows 100%.
The recommended engine oil for the 2009 GMC Yukon Denali Hybrid is SAE 5W-30. Make sure to use oil that meets GM Standard GM6094M.
To check the transmission fluid, park the vehicle on a level surface, run the engine until it reaches normal operating temperature, then remove the transmission dipstick, wipe it clean, reinsert it fully, and remove it again to check the fluid level.
The 2009 GMC Yukon Denali Hybrid has a towing capacity of up to 6,000 pounds when properly equipped.
To improve fuel efficiency, ensure regular maintenance is performed, keep tires properly inflated, avoid aggressive driving, and reduce excess weight in the vehicle.
Common causes for the check engine light include a loose gas cap, faulty oxygen sensors, spark plug or wire issues, and catalytic converter problems. A diagnostic scan can provide specific error codes.
To replace the cabin air filter, open the glove box, remove the limiting stop arm, lower the glove box, and remove the filter cover to access and replace the filter.
To jump-start the vehicle, locate the battery terminals, connect the positive cable to the positive terminal, attach the other end to the donor battery's positive terminal, connect the negative cable to the donor battery's negative terminal, and attach the other end to an unpainted metal surface on the Yukon. Start the donor vehicle, then the Yukon.
It is recommended to rotate the tires every 7,500 miles to ensure even wear and extend the life of the tires.
The recommended tire pressure for the 2009 GMC Yukon Denali Hybrid is typically 35 PSI for both front and rear tires. Refer to the placard on the driver's side door jamb for exact specifications.