GMC Sierra Hybrid 2012 Owner's Manual
![GMC Sierra Hybrid 2012 manual cover](/images/JDCpYGYVYaUVzgxpjtiuFNcU/thumbs/thumb175x175.webp)
To reset the oil life monitor, turn the ignition to the "ON" position without starting the engine. Use the steering wheel controls to navigate to the "Oil Life" display. Press and hold the "SET/CLR" button until the display resets to 100%.
The recommended oil type for the 2012 GMC Sierra Hybrid is SAE 5W-30. Use an oil that meets GM Standard GM6094M and is dexos1 certified for optimal performance.
The hybrid battery in the 2012 GMC Sierra Hybrid is designed to last the lifetime of the vehicle under normal conditions. Regular check-ups during scheduled maintenance are recommended, but specific servicing is not typically required unless a problem arises.
The recommended tire pressure for the 2012 GMC Sierra Hybrid is 35 PSI for both front and rear tires. Always refer to the placard on the driver’s side door jamb for the most accurate information.
To improve fuel efficiency, maintain proper tire pressure, use the recommended grade of motor oil, avoid carrying excess weight, and drive at moderate speeds. Regular maintenance such as air filter replacement and fuel system cleaning can also help.
If the check engine light comes on, check for any obvious issues such as a loose gas cap. If the light remains on, have the vehicle diagnosed by a professional to determine the underlying issue. Avoid driving extensively until the problem is resolved.
To replace the air filter, locate the air filter housing in the engine compartment. Unclip or unscrew the housing cover, remove the old filter, and insert the new filter. Ensure the filter is seated correctly and secure the housing cover back in place.
Signs of a failing brake system include unusual noises such as squealing or grinding, a spongy brake pedal, longer stopping distances, and the brake warning light on the dashboard. Immediate inspection is advised if you notice any of these symptoms.
To jump-start the vehicle, connect the positive cable to the positive terminal of the dead battery, then connect the other end to the positive terminal of the good battery. Next, connect the negative cable to the negative terminal of the good battery and the other end to a metal ground on the engine block of the dead vehicle. Start the assisting vehicle, then the dead vehicle.
The 2012 GMC Sierra Hybrid has a towing capacity of up to 6,100 pounds when properly equipped. Ensure your vehicle is equipped with the appropriate towing package and that you follow all safety guidelines when towing.