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:

Rear towing eye
Fig. 194 In the rear bumper on the right-hand side: removal of the covers for the towing eye Fig. 195 In the rear bumper: removal of the covers for the towing eye First read and observe the introductory information and safety warnings There is a fixed towing eye located underneath the rea ...

Checking with Restrictor and Reservoir, with Internally Regulated A/C Compressor
  Note Connecting service station. Refer to → Chapter „Connecting Service Station“. Observe test requirements. Refer to → Chapter „Pressures, Checking“. –  ...

Introduction
This chapter contains information on the following subjects:  → Technical requirements  → Fitting the removable ball coupling  → Removing the ball coupling  → Hitching and connecting the trailer  → Loading the trailer  → Towing a trailer   ...

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