Noise from under vehicle after turning off the engine

Lexus GX / Lexus GX Owners Manual / For your information / Noise from under vehicle after turning off the engine

Approximately five hours after the engine is turned off, you may hear sound coming from under the vehicle for several minutes. This is the sound of a fuel evaporation leakage check and, it does not indicate a malfunction.

    See also:

    Refueling
    Opening the fuel tank cap The fuel tank of your vehicle has a special structure, which requires a reduction in fuel tank pressure before refueling. After the opener switch has been pressed, it will ...

    Setting speed dials
    Select “Set Speed Dial (Speed Dial)” using a voice command or the “TUNE/SEL” knob. Pattern A Select the data to be registered as a speed dial by either of the following methods, and se ...

    PCS (Pre-Collision System)
    When the radar sensor detects that a frontal collision is highly likely or even unavoidable, safety systems such as the brakes and seat belts are automatically engaged to lessen impact as well as ...