VW Polo manuals

Volkswagen Polo Service & Repair Manual: AGM Battery

Maintenance-Free Battery with Specific Electrolyte without a Visual Indicator
Lead-acid battery, where the electrolyte is fixed in an absorbent glass mat (AGM). The battery is closed and equipped with breather valves.
AGM is the English abbreviation for Absorbent Glass Mat.
These batteries do not have a visual indicator because the electrolyte level is predetermined. AGM is on the battery to identify it.
  Note
Always replace an AGM battery with another AGM battery.
Battery with Visual Indicator, Enhanced
This is a maintenance-free battery with liquid electrolyte (wet battery).   Caution Do not remov ...

Warnings and Safety Precautions
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Other materials:

Refrigerant Circuit with A/C Service Station, Filling
  Caution If it is suspected that chemicals were added to the refrigerant circuit to seal leaks, do not connect the A/C service station and do not extract the refrigerant. ...

Leaks or Internal Damage, for Example Noises or No Output
  Note For vehicles with an electrically-driven A/C compressor, de-energize the high voltage system before removing the A/C compressor. Refer to → Electrical System Hybrid; Rep. Gr.93. –  Dischar ...

Headlight range control, instrument and switch lighting
Fig. 69 Next to the steering wheel: control for instrument and switch lighting ① and headlight range control ② First read and observe the introductory information and safety warnings ① Instrument and switch lighting When the headlights are switched on, the brightness of the instrument ...

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