Get Vision -> Rain/light sensor Guide for Volkswagen E Golf 4 Door Second Generation (2017-2020)

Rain/light sensor

Fig. 1 On the right of the steering column: wiper lever.

When the rain/light sensor is activated, it automatically controls the frequency of the wiper

intervals, depending on the intensity of the rain.

Activating and deactivating the rain/light sensor

Push the lever to the desired position → Fig. 1 :

—Position A - the rain/light sensor is deactivated.

—Position B - the rain/light sensor is activated, automatic wipe when necessary.

The automatic wipe function can be activated and deactivated in the vehicle settings in the

Infotainment system (→ Vehicle settings menu, Operation).

If the automatic wipe function is deactivated in the Infotainment system, the intervals are set at

fixed levels.

Adjusting the sensitivity of the rain/light sensor

The sensitivity of the rain/light sensor can be adjusted manually using the switch in the wiper

lever → Fig. 1 1 →

—Switch to the right – high sensitivity.

—Switch to the left – low sensitivity.

WARNING

The rain/light sensor cannot always detect all precipitation sufficiently and activate the wipers.

●

If necessary, switch on the windscreen wipers manually if the water on the windscreen

restricts the field of vision.

Some settings can be stored in the user accounts of the personalisation function and

therefore change automatically when the user account changes (→ Personalisation,

Description).

Troubleshooting

Washer fluid level too low

The indicator lamp lights up yellow.

Fill up the washer fluid reservoir as soon as possible (→ Washer fluid, Refilling).

Fault in rain/light sensor

The indicator lamp lights up yellow.

The wipers are not switched on automatically if it rains during rain/light sensor operation.

—Switch the ignition off and on.

—If the fault persists, seek expert assistance.

Fault in wipers

The indicator lamp lights up yellow.

The wipers do not wipe.

—Switch the ignition off and on.

—If the fault persists, seek expert assistance.

Changes in the response of the rain/light sensor

Possible causes for faults and misinterpretations relating to the sensitive surface of the rain/light

sensor (→ Front view, Overview) include:

—Damaged wiper blades: a film of water or smears caused by damaged wiper blades can

increase the time the wipers are switched on, can shorten the length of the intervals between

wipes or cause the wipers to run quickly and continuously.

—Insects: insects hitting the windscreen surface can cause the wipers to be activated.

—Salt deposits: in winter, salt deposits can cause the wipers to continue to wipe the windscreen

when it is almost dry.

—Soiling: dry dust, wax, windscreen coatings (lotus effect), or detergent deposits (from an

automatic car wash) can cause the rain/light sensor to become less sensitive and react too

slowly, or prevent it from reacting at all. Clean the sensitive surface of the rain/light sensor at

regular intervals and inspect the wiper blades for damage (→ Vehicle care, exterior,

Cleaning/Care).

—Crack in the windscreen: a wipe cycle will be triggered if the rain/light sensor is switched on

when the windscreen is impacted by a stone. The rain/light sensor will then register the

reduction in sensitivity of the surfaces and adjust accordingly. The size of the crack can affect

the way in which the rain/light sensor activates the wipers.

We recommend that you use an alcohol-based glass cleaner to remove wax and polish.

The wipers will try to wipe away any obstacles that are on the window. The wipers will

stop moving if the obstacle blocks their path. Remove the obstacle and switch the

wipers back on again.

Vision -> Rain/light sensor for Your Volkswagen E Golf 4 Door Second Generation (2017-2020)

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