Increasing fuel economy

Keep your engine tuned up.
Follow the recommended scheduled maintenance.
Keep the tires inflated to the correct pressure. Low tire pressure increases tire wear and lowers fuel economy.
Keep the wheels in correct alignment.

Improper alignment increases tire wear and lowers fuel economy.
Use the recommended viscosity engine oil.

(See “Engine oil and oil filter recommendation” in the “9. Technical and consumer information” section.)

    See also:

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    Handset phonebook
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    Variable voltage control system (if so equipped)
    CAUTION ● Do not ground accessories directly to the battery terminal. Doing so will bypass the variable voltage control system and the vehicle battery may not charge completely. ● ...