Acura MDX Owner's Manual page 184

uuOperating the Switches Around the Steering WheeluAuto High-Beam
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Disabling or Re-enabling the System
AUTO Position
182
Disable or re-enable the system when the
vehicle is parked and the power mode is in ON
and the light switch is in the AUTO position.
Disabling the system: Pull the light switch
lever towards you and hold it for at least 40
seconds. The auto high-beam indicator in the
meter will blink twice.
Re-enabling the system: Pull the light
switch lever towards you and hold it for at
least 30 seconds. The auto high-beam
indicator in the meter will blink once.
1Disabling or Re-enabling the System
The auto high-beam is in the previously selected
disabled or re-enabled setting each time you start the
power system.