2023 GMC Sierra Owner's Manual
The 2023 GMC Sierra owner's manual covers scheduled maintenance intervals, dashboard warning lights, fluid specifications, safety system operation, and warranty details specific to your vehicle. Access the official PDF through GMC's owner portal below.
Access the Official Manual
Available on GMC's official Owner Center
View GMC Owner Manuals →Opens GMC's official owner portal. You may need your VIN or model year to locate the exact document.
What the 2023 GMC Sierra manual covers
- • Scheduled maintenance intervals — oil changes, filter replacements, brake inspections, tire rotations
- • Dashboard warning lights and what each indicator means
- • Engine oil type and capacity, transmission fluid, coolant specifications
- • Towing capacity and payload ratings
- • Safety features — airbag system, stability control, ADAS features
- • Warranty coverage and roadside assistance details
Selling your 2023 GMC Sierra?
If you're selling this vehicle, you'll need a bill of sale to document the transfer. Generate one for free — takes under 2 minutes, no account required.
Generate GMC Sierra Bill of Sale →Frequently asked questions
Where can I find the 2023 GMC Sierra owner's manual PDF?
The official PDF is available through GMC's owner portal at https://my.gmc.com/. You'll typically need your model year and trim level to locate the exact document.
Do I need the owner's manual to sell my GMC Sierra?
The owner's manual is not legally required to sell a vehicle, but it adds value and buyers often ask for it. What you do need is a signed bill of sale and a properly transferred title.
What paperwork do I need to sell a 2023 GMC Sierra?
You'll need the vehicle title (signed over to the buyer), a bill of sale documenting the transaction price and parties, and a completed odometer disclosure for vehicles under 10 years old.