Chevrolet Low Cab Forward 4500 HD 2021 Owner's Manual

The 2021 Chevrolet Low Cab Forward 4500 HD has a towing capacity of up to 12,000 pounds, depending on the configuration and additional equipment.
For optimal performance, the oil in the Chevrolet 4500 HD should be changed every 7,500 miles or every 12 months, whichever comes first. Always refer to the owner's manual for specific recommendations.
The 2021 Chevrolet Low Cab Forward 4500 HD typically uses diesel fuel, but it is important to check the specific model and engine type for fuel requirements.
To reset the maintenance light, turn the ignition to the 'On' position without starting the engine, press the accelerator pedal slowly three times within 10 seconds, and then turn off the ignition. Restart the vehicle to ensure the reset was successful.
The recommended tire pressure for the 2021 Chevrolet Low Cab Forward 4500 HD is typically 85 psi for the front tires and 95 psi for the rear tires. Always refer to the tire placard located on the vehicle for exact specifications.
If the check engine light is illuminated, use an OBD-II scanner to read the diagnostic trouble codes. These codes will indicate the source of the issue. Address any identified problems and clear the codes using the scanner.
Regular maintenance tasks for a Chevrolet 4500 HD include oil changes, brake inspections, tire rotations, fluid level checks, and replacing air filters. Refer to the owner's manual for a comprehensive maintenance schedule.
To improve fuel efficiency, maintain proper tire pressure, perform regular engine maintenance, reduce excess weight, and drive at steady speeds. Avoid aggressive acceleration and braking.
If your Chevrolet 4500 HD is overheating, pull over safely, turn off the engine, and allow it to cool. Check coolant levels and look for leaks. If the problem persists, consult a professional mechanic.
To replace the cabin air filter, locate the filter housing, usually behind the glove box. Remove the cover, take out the old filter, and insert the new one. Ensure it is positioned correctly before securing the cover back.