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:

Wheel, Mounting, Volkswagen Assembly Instructions
Vehicles With Tire Pressure Monitoring Sensor. If wheels are changed (for example, change from summer to winter tires), wheel electronics send data as soon as speed of new wheels exceeds 25 km/h (15.53 mph) The control module automatical ...

3-Color Visual Indicator, Checking
  WARNING Risk of injury. Follow all Warnings and Safety Precautions. Refer to → Chapter „Warnings and Safety Precautions“. Visual Indicator General Informatio ...

Checking the electrolyte level of the vehicle battery
Fig. 141 In the engine compartment: removing the vehicle battery cover First read and observe the introductory information and safety warningsThe electrolyte level of the vehicle battery should be checked regularly in high-mileage vehicles, in hot countries and in older vehicle batteries. ...