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Repair Information
Two factors that affect vehicle visibility: wipers and lighting
July 31, 2021
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Visibility Factor 01
What are their roles?
Wipers clear the windshield, while lighting helps you see and be seen
The wiper system prevents rain, dust, and snow from collecting on the windshield. It removes these materials so the windshield can keep good light transmission and clarity.
The lighting system improves visibility at night. It also provides signals to other drivers and illuminates the vehicle’s interior instrumentation so the driver can read important information.
Because both systems directly affect visibility, they should be checked promptly whenever a problem appears in daily driving.
Visibility Factor 02
Service life factors
Light bulbs and wiper strips are wear parts
Light bulbs and wiper strips are common wear parts that require regular replacement. Their service life depends on how often they are used, how they are used, and what materials they are made from.
The main factors affecting service life are:
- Conditions of useWear and tear increases when wipers are used in winter.
- Frequency of useThe more often lights and wipers are used, the faster they may wear.
- Material and typeThe material and type of bulbs and wiper strips affect durability.
- Sunny and dry weatherDry conditions can increase wear, especially on wiper strips.
Visibility Factor 03
Typical symptoms
Watch for wiper noise, turn-signal changes, fault lights and weak brightness
- Continuous squeakingA continuous squeaking sound when the wipers are running may indicate wiper wear or poor windshield contact.
- Fast turn-signal flashingThe gauge signal may flash rapidly when the turn signal is turned on.
- Light fault warningGauges may light up with a light fault light.
- Reduced brightnessLight brightness decreases or becomes weaker, reducing the driver’s ability to see and the vehicle’s ability to be seen.
When these symptoms appear, do not ignore them. Check the wiper strips, bulbs, lighting faults, and related components as soon as possible.
Summary
Visibility depends on both windshield clearing and lighting performance
Wipers and lights work together to support safe driving. Wipers keep the windshield clear, while lights help the driver see, help other drivers see the vehicle, provide signals, and illuminate instruments.
Because bulbs and wiper strips are wear parts, drivers should check them regularly and respond quickly to squeaking, fast turn-signal flashing, light fault warnings, or reduced light brightness.
