GMC Yukon Denali 2021 Owner's Manual
![GMC Yukon Denali 2021 manual cover](/images/RZxQsgFxnrwScaSjSjSaEUja/thumbs/thumb175x175.webp)
To connect your smartphone, use the Bluetooth settings on your phone to search for available devices and select 'GMC Yukon'. Follow the prompts to pair the devices and confirm the connection. You can also use Apple CarPlay or Android Auto by connecting your phone via USB cable.
If your vehicle won't start, check the battery connections for corrosion or looseness. Ensure the vehicle is in park or neutral. If the issue persists, try jump-starting the battery. If the problem continues, consult a professional mechanic.
To change the oil, warm up the engine then turn it off. Place an oil pan under the engine, remove the oil drain plug, and let the old oil drain out. Replace the oil filter, reinstall the drain plug, and fill the engine with new oil as specified in the manual.
The GMC Yukon Denali 2021 is designed to run on regular unleaded gasoline with an octane rating of 87 or higher. Using the recommended fuel ensures optimal performance and efficiency.
To reset the TPMS, turn the ignition to the ON position without starting the engine. Press and hold the TPMS reset button (usually located under the steering wheel) until the tire pressure light blinks three times, then release the button. Start the vehicle and let it run for 20 minutes to complete the reset.
The recommended maintenance schedule includes regular oil changes every 7,500 miles, tire rotations every 7,500 miles, and brake inspections every 10,000 miles. Refer to the owner's manual for a detailed schedule based on driving conditions.
To use adaptive cruise control, activate the system by pressing the cruise control button on the steering wheel. Set your desired speed and following distance using the controls. The system will automatically adjust your speed to maintain the set distance from the vehicle ahead.
If the check engine light comes on, ensure the gas cap is tightened properly. If the light remains on, check for any noticeable issues like unusual noises or performance changes. If the problem persists, have the vehicle diagnosed by a professional using an OBD-II scanner.
To replace a headlight bulb, open the hood and locate the headlight assembly. Disconnect the power connector, remove the old bulb by twisting it counterclockwise, and install the new bulb by twisting it clockwise. Reconnect the power connector and test the new bulb.
The GMC Yukon Denali 2021 is capable of towing up to 8,200 pounds when properly equipped. Ensure that the hitch and towing equipment are suitable for the load, and consult the owner's manual for detailed towing specifications and safety guidelines.