During each routine maintenance visit, addressing these straightforward maintenance requirements for your Highlander is crucial. Foremost, prioritize a tire rotation to promote even tire wear, thus extending their lifespan, while also taking the opportunity to inspect them for any signs of damage carefully. Additionally, this is an opportune moment to meticulously examine and adjust all fluid levels, including power steering, brake, and coolant. This proactive measure ensures that your Highlander's vital fluids are at optimal levels for peak performance. Lastly, conduct a thorough visual inspection of the wiper blades, brake linings, drums, and brake pads or discs. This is also a good time to inspect and adjust all fluid levels, including power steering, brake, and coolant. Finally, visually inspect the wiper blades, brake linings or drums, and brake pads or discs.

In addition to the services above, it is imperative to include a couple of filter replacements in your maintenance routine. Begin by prioritizing the replacement of the cabin air filter, which ensures clean and fresh air circulation within your vehicle's interior. Following this, proceed with the essential task of replacing the engine oil and oil filter, a vital step in maintaining the optimal performance and longevity of your vehicle's engine. By diligently attending to these filter replacements, you can further enhance the overall driving experience and ensure the well-being of your beloved vehicle.

For owners of a 4WD Highlander, it is crucial to have a qualified technician re-torque the propeller shaft bolt at every 15,000-mile mark. Additionally, it is recommended to have the rear differential oil and transfer case oil inspected for optimal performance and reliability.

Irrespective of the Highlander model, this interval presents an excellent opportunity to thoroughly inspect the following components, ensuring their proper functionality and longevity:

• Ball joints and dust covers
• Break linings and hoses
• Drive shaft boots
• Engine coolant
• Exhaust pipes and mountings
• Radiator and condenser
• Steering gear, linkage, and boots

When approximately three years have elapsed, conducting a more comprehensive inspection of your vehicle is advisable. Alongside the previously mentioned components, it is essential to examine your automatic transmission for any indications of leakage meticulously. Additionally, it is recommended to replace the engine air filter at this interval to ensure optimal airflow. Furthermore, take the opportunity to inspect various other critical elements, such as:

• Fuel lines and connections
• Fuel tank band and fuel tank vapor vent system hoses
• Fuel tank cap gasket

Ensuring none of these parts are cracked, damaged, loose, or corroded will help prevent your emissions from rising.

144 Months/120,000 Miles