The lubricant specified for the 2006 Toyota Highlander is a crucial factor in maintaining engine performance and longevity. The recommended grade and type ensure proper lubrication, heat dissipation, and protection against wear under various operating conditions. Using the correct fluid contributes to optimal fuel efficiency and reduced engine emissions.
Selecting the appropriate lubricant provides significant advantages. These include extended engine life by minimizing friction and wear, improved cold-start performance, and resistance to oil breakdown at high temperatures. Historically, vehicle manufacturers have refined lubricant specifications to meet the evolving demands of engine technology and environmental regulations, reflecting advancements in both engine design and lubricant chemistry.