Jeep Wrangler JK 2018 Owner's Manual

Turn the ignition to the 'On' position without starting the engine. Fully depress the accelerator pedal slowly three times within 10 seconds, and then turn the ignition to the 'Off' position.
It is recommended to use 5W-20 synthetic oil for optimal performance and efficiency.
Maintain proper tire pressure, remove unnecessary weight, use cruise control on highways, and keep up with regular maintenance such as oil changes and air filter replacements.
Pull over safely, turn off the engine, and allow it to cool. Check coolant levels once the engine has cooled, and refill if necessary. If the issue persists, consult a professional mechanic.
Remove the freedom panels by turning the latches and unscrewing panel knobs. Next, disconnect electrical connections and washer fluid lines at the rear. Finally, remove the bolts securing the hardtop and lift it off with assistance.
The check engine light can indicate a range of issues, from a loose gas cap to more serious engine problems. It's best to use an OBD-II scanner to read the error codes for a precise diagnosis.
It is recommended to rotate the tires every 6,000 to 8,000 miles to ensure even wear and extend tire life.
The recommended tire pressure is usually around 35 PSI, but it's important to refer to the placard on the driver’s side door for the specific value.
Open the hood and locate the air filter housing. Unclip the cover, remove the old air filter, and insert the new one. Ensure it is seated properly before securing the cover.
Check for any obstructions or damage to the linkage and ensure that the transfer case is properly lubricated. If the problem persists, have the system inspected by a qualified technician.