VW Polo manuals

Volkswagen Polo Service & Repair Manual: Battery Safety Precautions

Recognizing and Preventing Risks
Batteries present risks. Read the warnings on the battery label, in the owner's manual and in ELSA to prevent these risks.
  WARNING
Personnel instructed in protection, such as a trainee or apprentice, may only perform work on vehicle batteries under the supervision of technical personnel such as a master automotive mechanic or a master automotive electrician.
Acid has strong corrosive properties. If batteries are handled inappropriately, there is a risk that personal injury may result from exposure to harmful electrolyte influences. Therefore, suitable remedies for acid damage must be kept readily available. For example, soap solution is a suitable material.
If electrolyte drips out from the battery, skin can be burned by acid or the vehicle may be affected by acid erosion and corrosion. It is a possibility that safety-related vehicle components can be damaged.
When charging and when resting after charging, explosive gas is present. In extreme cases, if the battery is handled inappropriately, the emitted gases may cause the battery to explode.
Batteries whose visual indicators are bright yellow must be replaced. They may not be tested or charged and jump starting may not be used. There is a risk of explosion during testing, charging or jump starting.
Generating sparks by sanding, welding, separating work and open flame, for example, smoking in vicinity of the battery, is prohibited. Producing sparks through electrostatic discharge must also be avoided. Always touch the vehicle body before touching the battery.
Only perform battery procedures in suitable and well-ventilated locations.
Warnings and Safety Precautions
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