GMC Yukon 2021 Owner's Manual
![GMC Yukon 2021 manual cover](/images/VVkcebOMQrxMqipjkilSohWc/thumbs/thumb175x175.webp)
To reset the oil life monitor, turn the ignition to "On" without starting the engine. Use the steering wheel controls to navigate to the "Oil Life" section on the dashboard display. Press and hold the "OK" button until the display resets to 100%.
The 2021 GMC Yukon is designed to run on regular unleaded gasoline with an octane rating of 87 or higher. Using the recommended fuel ensures optimal engine performance and efficiency.
To pair your smartphone, enable Bluetooth on your phone and navigate to the "Phone" section in the Yukon's infotainment system. Select "Pair Device" and choose your phone from the list of available devices. Follow the prompts to complete the pairing process.
If the check engine light illuminates, first ensure that the gas cap is securely tightened, as a loose cap can trigger the light. If the light remains on, schedule a diagnostic appointment with a certified GMC service center to identify and address any underlying issues.
For optimal performance, it is recommended to change the transmission fluid every 45,000 miles or as specified in the owner's manual. Regular maintenance helps maintain smooth shifting and extends the life of the transmission.
Yes, the 2021 GMC Yukon is equipped for towing. Its towing capacity is up to 8,400 pounds when properly equipped. Ensure that you follow all towing guidelines and load specifications outlined in the owner's manual.
The recommended tire pressures for the Yukon are typically 35 PSI for both front and rear tires. However, always refer to the tire information label located on the driver’s side door for exact specifications.
The spare tire is located underneath the rear of the vehicle. To access it, use the tire tool kit to remove the tire from its holding position. Consult the owner’s manual for detailed instructions on safely lowering and replacing the spare tire.
Regular maintenance includes oil and filter changes every 7,500 miles, tire rotations every 7,500 miles, and checking fluid levels such as brake, coolant, and transmission fluids. Refer to the maintenance schedule in the owner’s manual for a comprehensive list.
To improve fuel efficiency, ensure regular maintenance, keep tires properly inflated, use recommended fuel, avoid excessive idling, and drive at steady speeds. Reducing weight by removing unnecessary items can also help enhance fuel economy.