GMC Sierra 2500 2019 Getting To Know Your Manual
![GMC Sierra 2500 2019 manual cover](/images/BAIgWtOaJMGGwHSTLxFgcWID/thumbs/thumb175x175.webp)
To reset the oil life monitor, turn the ignition to the "On" position without starting the engine. Use the DIC controls on the steering wheel to navigate to the "Oil Life" menu. Press and hold the checkmark button until the system resets to 100%.
The recommended tire pressure for the 2019 GMC Sierra 2500 is typically 60 psi for the front tires and 80 psi for the rear tires. However, always refer to the placard on the driver's side door jamb for the most accurate information.
To connect your phone, enable Bluetooth on your smartphone. On the GMC Infotainment System, go to the "Phone" menu and select "Pair Device." Follow the prompts to complete the pairing process.
If the engine won't start, first check the battery connections for corrosion or looseness. Ensure the battery is charged. If the problem persists, check the fuel level and consider whether the fuel filter or starter might be faulty. Consult a professional if needed.
It is recommended to inspect the air filter every 12,000 to 15,000 miles and replace it if it's dirty or according to the maintenance schedule outlined in the owner’s manual.
The recommended engine oil for the 2019 GMC Sierra 2500 is SAE 5W-30 for gasoline engines and 15W-40 for diesel engines. Always verify with the owner's manual for specific engine types.
To calibrate the TPMS, ensure all tires are inflated to the recommended pressure. With the vehicle off, press and hold the TPMS reset button located under the steering wheel until the TPMS light blinks twice. Drive the vehicle for a few miles to complete the calibration.
The check engine light can illuminate for various reasons, including a loose gas cap, faulty oxygen sensor, or issues with the catalytic converter. Use an OBD-II scanner to retrieve the trouble code or have a professional diagnose the issue.
Activate tow/haul mode by pressing the button on the end of the gear selector. This mode adjusts the transmission shift patterns and engine braking to enhance towing performance.
To update the GPS maps, visit the GMC navigation update website and download the latest map package. Transfer the package to a USB drive and insert it into the vehicle's USB port. Follow the on-screen instructions to complete the update.