Volkswagen Polo Service & Repair Manual: Heated Oxygen Sensor, Replacing

Protecting

  Caution Missing protection leads to the electrical system damage.   Note ...

4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing

  Note Do not repair the heated oxygen sensor wires. Repairing may result in malfunctions. Use the faulty sensor as a guide ...

Other materials:

Replacing Reservoir, No Contaminants, No Loss of Refrigerant
  Discharge the refrigerant circuit. –  Replace the restrictor depending on the vehicle. –  Remove receiver or accumulator. –  Remove dirt from receiver or res ...

Battery Charger -VAS5095A- Maintenance Charging
  WARNING Risk of injury. Follow all Warnings and Safety Precautions. Refer to → Chapter „Warnings and Safety Precautions“.   WARNING ...

Positive and earth jump lead connection points
Fig. 190 In the engine compartment: jump lead connection point, positive ⊕ First read and observe the introductory information and safety warnings The positive jump lead connection point is in the engine compartment. In order to establish a suitable earth connection, screw towing eye into ...