GMC Sierra Denali 2021 Owner's Manual

GMC Sierra Denali 2021 manual cover
Pages 440
Year 2021
Language(s)
English en

GMC Sierra Denali 2021 Specification

The 2021 GMC Sierra Denali represents the pinnacle of luxury and performance in the full-size pickup truck segment. It comes equipped with a powerful 6.2-liter V8 engine, delivering an impressive 420 horsepower and 460 lb-ft of torque, paired with a 10-speed automatic transmission. This combination ensures robust performance, whether for towing, hauling, or everyday driving. The exterior design is distinguished by the signature Denali grille, chrome accents, and striking 20-inch aluminum wheels, enhancing its commanding presence on the road.

Inside, the Sierra Denali offers a refined cabin with premium materials, including leather-appointed seating and authentic open-pore wood trim. The spacious interior provides ample legroom and headroom, ensuring comfort for all passengers. Advanced technology features include a 15-inch diagonal head-up display, an 8-inch digital driver information center, and the GMC Infotainment System with Navigation, compatible with Apple CarPlay and Android Auto. A Bose premium sound system further elevates the in-cabin experience.

Safety is paramount in the 2021 Sierra Denali, which comes standard with a suite of advanced safety and driver assistance features. These include Forward Collision Alert, Lane Keep Assist with Lane Departure Warning, and Front Pedestrian Braking. The truck also offers an available ProGrade Trailering System with an in-vehicle trailering app, making towing more convenient and secure.

The 2021 GMC Sierra Denali blends luxury, performance, and advanced technology, making it a standout choice for discerning buyers seeking a premium full-size pickup truck. Its combination of powerful engine options, high-end interior, and cutting-edge features sets it apart in its class.

GMC Sierra Denali 2021 F.A.Q.

How do I reset the oil life monitor on my 2021 GMC Sierra Denali?

To reset the oil life monitor on your 2021 GMC Sierra Denali, turn the ignition to the 'On' position without starting the engine. Use the arrow buttons on the steering wheel to navigate to the 'Oil Life' screen on the driver information center. Press and hold the 'Check' or 'Reset' button until the oil life percentage resets to 100%.

What is the recommended tire pressure for a 2021 GMC Sierra Denali?

The recommended tire pressure for the 2021 GMC Sierra Denali is typically 35 PSI for both front and rear tires. Always check the tire placard located on the driver’s side door jamb for specific information related to your vehicle.

How do I connect my phone via Bluetooth to the 2021 GMC Sierra Denali?

To connect your phone via Bluetooth, go to the infotainment system's home screen and select 'Phone'. Then, select 'Connect Phone' followed by 'Add Phone'. On your phone, enable Bluetooth and search for available devices. Select 'GMC Intellilink' from the list. Confirm the pairing code displayed matches on both devices, then accept pairing requests.

What should I do if the key fob battery is dead on my 2021 GMC Sierra Denali?

If the key fob battery is dead, you can still start your 2021 GMC Sierra Denali by placing the fob in the center console transmitter pocket, located in the storage area under the armrest. Then, press the brake pedal and push the engine start/stop button to start the vehicle.

How do I activate the 4WD system in the 2021 GMC Sierra Denali?

To activate the 4WD system in your 2021 GMC Sierra Denali, locate the drive mode selector on the dashboard. Turn the knob to select '4WD Auto', '4WD High', or '4WD Low', depending on your driving conditions. For most on-road driving, '4WD Auto' is recommended.

What type of oil is recommended for the 2021 GMC Sierra Denali?

The 2021 GMC Sierra Denali typically requires SAE 0W-20 full synthetic oil for the 5.3L V8 engine. However, always refer to your owner’s manual or the oil cap for the most accurate information specific to your engine type.

How can I update the navigation system in my 2021 GMC Sierra Denali?

To update the navigation system in your 2021 GMC Sierra Denali, go to the GMC Owner Center online and download the latest map update to a USB drive. Insert the USB drive into the vehicle's USB port, then follow the on-screen instructions on the infotainment screen to complete the update.

What is the procedure for changing a flat tire on the 2021 GMC Sierra Denali?

To change a flat tire, locate the spare tire, jack, and tools under the rear seat or in the cargo area. Loosen the lug nuts with the wrench, jack up the vehicle using the specified jacking points, remove the lug nuts and the flat tire, then mount the spare tire. Tighten the lug nuts in a crisscross pattern, lower the vehicle, and ensure all nuts are secure.

How do I set up Apple CarPlay in my 2021 GMC Sierra Denali?

To set up Apple CarPlay, connect your iPhone to the USB port using an Apple-approved Lightning cable. The CarPlay icon should appear on the infotainment screen. Select the icon and follow the on-screen prompts to complete the setup and access apps from your iPhone.

What maintenance schedule should I follow for my 2021 GMC Sierra Denali?

For the 2021 GMC Sierra Denali, follow the maintenance schedule outlined in the owner’s manual, which typically includes regular oil changes every 7,500 miles, tire rotations every 7,500 miles, and inspections of brakes, fluids, and other critical systems at specified intervals.