Toyota Highlander Service Manual: Lighting system

Lighting

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Precaution

1. PRECAUTION OF HEADLAMP BULB REPLACEMENT (a) If even a thin film of oil is left on the surface of the halogen lamp, the bulb may be damaged because the lamp will burn at a higher temperature. ( ...

More about Toyota Highlander:

On-vehicle inspection
1. INSPECT INTAKE AIR CONTROL SYSTEM (a) Using a 3-way connector, connect a vacuum gauge to the actuator hose. (b) Connect the hand-held tester to the DLC3. (c) Start the engine. (d) On the hand-held tester, enter the ACTIVE TEST mode. Standard: ...