Lexus ES350 Manual page 236

236
4-3. Operating the lights and wipers
In the situations below, the system may not be able to correctly detect the sur-
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rounding brightness levels, and may flash or expose nearby pedestrians to the high
beam. Therefore, you should consider turning the high beams on or off manually
rather than relying on the Automatic High Beam system.
• In bad weather (rain, snow, fog, sandstorms etc.)
• The windshield is obscured by fog, mist, ice, dirt etc.
• The windshield is cracked or damaged.
• The camera sensor is deformed or dirty.
• The camera sensor temperature is extremely high.
• Surrounding brightness levels are equal to those of headlights, tail lights or fog
lights.
• Vehicles ahead have headlights or tail lights that are either switched off, dirty, are
changing color, or are not aimed properly.
• When driving through an area of intermittently changing brightness and dark-
ness.
• When frequently and repeatedly driving ascending/descending roads, or roads
with rough, bumpy or uneven surfaces (such as stone-paved roads, gravel tracks
etc.).
• When frequently and repeatedly taking curves or driving on a winding road.
• There is a highly reflective object ahead of the vehicle, such as a sign or a mirror.
• The back of a vehicle ahead is highly reflective, such as a container on a truck.
• The vehicle' s headlights are damaged or dirty, or are not aimed properly.
• The vehicle is listing or titling, due to a flat tire, a trailer being towed etc.
• The high beam and low beam are repeatedly being switched between in an
abnormal manner.
• The driver believes that the high beam may be causing problems or distress to
other drivers or pedestrians nearby.
Temporarily lowering sensor sensitivity
■
The sensitivity of the sensor can be temporarily lowered.
Turn the "START STOP ENGINE" <"POWER"> switch off while the following
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conditions are met.
• The headlight switch is in
• The headlight switch lever is in high beam position.
• Automatic High Beam switch is on.
Turn the "START STOP ENGINE" <"POWER"> switch to IGNITION ON
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<ON> mode.
Within 5 seconds after
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nal position then pushing it to the high beam position quickly 9 times, then leave
the lever in high beam position.
Automatic High Beam (headlights) may turn on even the vehicle is stopped.
ES350_300h_OM_OM33A60U_(U)
or .
, repeat pulling the headlight switch lever to the origi-
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