Chevrolet Silverado 4500HD 2021 Owner's Manual
![Chevrolet Silverado 4500HD 2021 manual cover](/images/NhOnHoEnbTMwlbTMFdddowYw/thumbs/thumb175x175.webp)
The recommended oil type for the 2021 Chevrolet Silverado 4500HD is SAE 15W-40. Ensure that the oil meets the API Service Classification CJ-4 or CK-4.
To reset the TPMS, turn the ignition to the ON position, press the trip button until the "Tire Pressure" screen appears, then hold the button until you see the "Resetting" message.
The 2021 Chevrolet Silverado 4500HD has a maximum towing capacity of up to 21,500 pounds, depending on the configuration and equipment.
To improve fuel efficiency, regularly maintain your vehicle, keep tires properly inflated, reduce excess weight, and drive at a steady speed.
To change the air filter, locate the air filter housing, unclip the cover, remove the old filter, and replace it with a new one, ensuring it is seated properly before securing the cover.
To check the transmission fluid, ensure the vehicle is on level ground, engine running, and in park. Locate the dipstick, remove it, wipe it clean, reinsert it, and check the fluid level.
If the engine overheats, pull over safely, turn off the engine, and allow it to cool. Check coolant levels and look for leaks. Seek professional help if necessary.
It's recommended to rotate the tires every 7,500 miles or as indicated in your vehicle's owner manual to ensure even tire wear.
The recommended tire pressure for the 2021 Silverado 4500HD is typically 75 psi for the front and 80 psi for the rear tires, but always verify with the placard inside the driver’s door.
To connect your smartphone, enable Bluetooth on your device, access the infotainment system's settings, select "Bluetooth," and pair your phone with the system by following the on-screen prompts.