GMC Yukon/Yukon XL/Denali 2020 Owner Manual

Owner's guide for 2020 GMC Yukon, Yukon XL, and Denali vehicles covering operation, maintenance, safety, and features.


GMC Yukon/Yukon XL/Denali 2020 Owner Manual - cover page
Brand
GMC
Category
Vehicle maintenance
Document type
User Manual
Language
English
Pages
434
File format
PDF
File size
6.5 MB
Published
01 November, 2026
Updated
01 November, 2026
Model
2020
MD5 checksum
1C542769AB666B7936EE25492475021A

About this manual

This manual provides detailed instructions for operating and maintaining the 2020 GMC Yukon, Yukon XL, and Denali. It covers vehicle controls, safety systems, climate and infotainment features, and maintenance procedures. Sections include keys, doors, windows, instrument panel, driving, vehicle care, and technical data such as fluid capacities and engine specifications. It also includes safety warnings and symbols for hazard awareness.

What's inside

  • Introduction
  • Keys, Doors, and Windows
  • Seats and Restraints
  • Storage
  • Instruments and Controls
  • Lighting
  • Infotainment System
  • Climate Controls
  • Driving and Operating
  • Vehicle Care

Specifications

Engine Cooling System (5.3L V8)16.8 L (17.8 qt)
Fuel Tank (Short Wheelbase)98.4 L (26.0 gal)
Spark Plug Gap (5.3L V8)0.95–1.10mm (0.037–0.043 in)

Frequently asked questions

What are the engine specifications for the 5.3L V8?

The 5.3L V8 has a spark plug gap of 0.95–1.10mm (0.037–0.043 in) and engine code 'C'.

Where is the Vehicle Identification Number (VIN) located on the vehicle?

The VIN is in the front corner of the instrument panel, on the driver side, visible through the windshield from outside.

What is the engine code for the 5.3L V8 engine?

The engine code for the 5.3L V8 is C.

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