Chevrolet Silverado 2500 HD 2021 Owner's Manual
![Chevrolet Silverado 2500 HD 2021 manual cover](/images/pQvthmOelUhxJPIKhZRoKcFK/thumbs/thumb175x175.webp)
The recommended oil type for the Chevrolet Silverado 2500 HD 2021 is SAE 0W-20 for the 6.6L gasoline engine and SAE 15W-40 for the 6.6L Duramax diesel engine. Always check your owner’s manual for specifics.
To reset the TPMS, turn the ignition to the "On" position without starting the engine. Press and hold the TPMS reset button until the light blinks three times, then drive the vehicle for about 20 minutes.
The towing capacity of the Chevrolet Silverado 2500 HD 2021 varies by configuration, but the maximum towing capacity is up to 18,500 pounds when properly equipped.
To connect via Bluetooth, enable Bluetooth on your phone, then navigate to the "Phone" section on the truck’s infotainment system. Select "Pair Device" and follow the on-screen instructions to complete the pairing process.
If your truck won't start, check the battery connections, fuel level, and fuses. Ensure the key fob battery is working. If these steps don't help, consult a mechanic or contact Chevrolet roadside assistance.
It is recommended to inspect the air filter at every oil change and replace it every 30,000 miles or as needed, depending on driving conditions. Consult your owner's manual for details.
Common causes include a loose gas cap, faulty oxygen sensor, catalytic converter issues, or problems with the ignition system. A diagnostic test can identify the specific issue.
To replace the windshield wipers, lift the wiper arm away from the windshield, press the small tab on the underside of the wiper, slide the old wiper blade off, and attach the new blade until it clicks into place.
The recommended coolant for the Chevrolet Silverado 2500 HD 2021 is a Dex-Cool antifreeze/coolant. It is essential to use the correct mixture, typically a 50/50 mix of coolant and distilled water.
To perform a factory reset, go to the "Settings" menu on the infotainment screen, select "System," then "Factory Settings," and follow the prompts to reset. Note that this will erase all personal data.