GMC Terrain 2018 Getting To Know Your Manual
![GMC Terrain 2018 manual cover](/images/nMGPEVqIdzXWyxRuZFhqUBYe/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" display. Press and hold the "Check" or "Reset" button until the display shows 100%.
The recommended engine oil for a 2018 GMC Terrain is SAE 5W-30 for the 1.5L and 2.0L engines. Always check the owner's manual for specifications and consider using synthetic oil for optimal performance.
To connect your smartphone, enable Bluetooth on your phone and on the Terrain's infotainment system. Select "Phone" on the infotainment screen, then "Pair Device." Follow the prompts to complete the pairing process.
If the check engine light comes on, ensure the gas cap is tightly secured. If the light remains on, schedule a diagnostic check with a certified mechanic to identify and resolve the issue.
To replace a headlight bulb, open the hood and locate the headlight assembly. Remove the cover by twisting it counterclockwise. Disconnect the wiring harness and replace the old bulb with a new one. Reattach the cover and ensure it's securely fastened.
The recommended tire pressure for a 2018 GMC Terrain is typically 35 PSI for both front and rear tires. Always check the sticker on the driver’s side door jamb for the exact specifications.
To perform a factory reset, go to the Settings menu on the infotainment screen, select "System," then "Factory Reset." Confirm your choice to reset the system to its original settings.
If the air conditioning isn't blowing cold air, check for refrigerant leaks, clogged filters, or a malfunctioning compressor. It's advisable to have a professional mechanic inspect and diagnose the issue.
To update the navigation system, visit the GMC website for available updates. Download the update to a USB drive, insert it into the vehicle's USB port, and follow the on-screen instructions to complete the update.
The towing capacity of a 2018 GMC Terrain varies by engine type: up to 1,500 pounds for the 1.5L engine, and up to 3,500 pounds for the 2.0L turbocharged engine when properly equipped.