warning light VOLKSWAGEN PASSAT CC 2013 1.G Workshop Manual

Lights
up Possible cause Proper response
B
Engine control/monitoring system
malfunction (engine Malfunction Indicator
Light - MIL)
Ease off the accelerator. Carefully drive to the
nearest authorized Volkswagen dealer or
authorized Volkswagen Service Facility. Have
engine checked.


Flashes Possible cause Proper response
B Misfire, which can damage the catalytic
converter.
Ease off the accelerator. Carefully drive to the
nearest authorized Volkswagen dealer or
authorized Volkswagen Service Facility. Have
engine checked.

When the ignition is switched on, several warning and indicator lights come on briefly for a function
check. They go out after a few seconds.
NOTICE
Failure to heed warning lights or text WARNINGS can result in vehicle damage.
As long as the B or %0# indicator light is on, anticipate engine malfunction, increased fuel
consumption, and loss of engine efficiency.
Catalytic converter

WARNING
Improper replacement of burned out headlights and other light bulbs can cause serious
personal injury.
x Stop! Always read and heed the WARNINGS before doing any work in the engine
compartment, Preparations for working in the engine compartment. The engine compartment
of any motor vehicle is a potentially dangerous area, and work in this area can lead to serious
personal injury.
x HID – High Intensity Discharge (Xenon) headlights get power from a high voltage source
that can cause severe personal injury and even death if handled improperly.
x H7 bulbs and HID – High Intensity Discharge (Xenon) headlights are under high pressure
and can explode if handled improperly.
x Always let a burned out light bulb cool down before replacing it.
x Never replace a light bulb unless you are familiar with all of the necessary procedures. In
particular, never remove a headlight unless you know exactly how to carry out the job and
have the correct tools and light bulbs.
x If you are uncertain about what to do, have the work performed by an authorized
Volkswagen dealer, an authorized Volkswagen Service Facility, or another qualified
workshop. Serious personal injury may result from improperly performed work.
x We strongly recommend that you always have HID – High Intensity Discharge (Xenon)
headlights and H7 bulbs replaced by a qualified technician.
x Do not touch the glass of light bulbs with your bare hands. Fingerprints left on the bulb
evaporate due to the heat when the bulb is switched on and cause the reflector to “cloud.”
x There are sharp edges on and around the headlight housing in the engine compartment
and the rear light housing. Wear hand protection if you replace bulbs.
NOTICE
After replacing a headlight bulb or other light bulb, always make sure that the rubber covers or
plastic caps have been properly and securely reinstalled to help prevent water from getting
into the electrical connections and headlight housing and damaging the electrical system.
Indicator light

WARNING
Failure to heed warning lights and instrument cluster text messages can cause the vehicle to
break down in traffic and result in a collision and serious personal injury.
x Never ignore warning lights or text WARNINGS.
x Always stop the vehicle as soon as it is safe to do so.
NOTICE
Failure to heed warning lights or text WARNINGS can result in vehicle damage.
Failure of a single LED within a taillight is not indicated. However, the indicator light will come
on if all LEDs fail.
Information on light bulb replacement

WARNING
Disregarding the safety-related checklist may lead to accidents and serious personal injuries.
x Always review and follow the checklist. Follow accepted safety practices and use common
sense.
NOTICE
Always insert and remove lamps carefully to help prevent damage to the vehicle paint or to
other parts of the vehicle.
Changing headlight bulbs

Fig. 186 In the engine compartment: Cover for HID headlights 1, cornering light, daytime running light,
parking light and turn signal 2.

Fig. 187 Removing and installing the bulbs for the daytime running light and parking light 3, cornering light 4
or turn signal 5.

WARNING
Improper use of jumper cables when jump-starting a vehicle with a dead battery can cause
the battery to explode, leading to serious personal injury. To help reduce the risk of battery
explosion:
x All work on the batteries or the electrical system in your vehicle can cause serious acid
burns, fires, or electrical shocks. Always read and heed the following WARNINGS and safety
precautions before working on the batteries or the electrical system 260, Vehicle battery.
x Always wear proper eye protection. Never lean over the vehicle battery.
x Attach the jumper cables in the correct order: first the positive cable, then the negative
cable.
x Never connect the negative cable from the vehicle providing starting assistance to parts
of the fuel system or to the brake hoses or brake lines.
x Never allow the non-insulated parts of the battery clamps to touch.
x Never allow the jumper cable attached to the positive battery terminal to contact metal
parts of the vehicle.
x Check the battery acid level indicator window on the vehicle battery. Use a flashlight,
never a match, cigarette lighter, or other open flame. If you cannot see the color of the
window clearly, or if it is light yellow or colorless, do not jump-start the vehicle. Get expert
assistance.
x Avoid electrostatic discharge in the vicinity of the vehicle battery. Sparks may cause the
hydrogen gas escaping from the vehicle battery to ignite.
x Never jump-start a vehicle with a battery that is damaged or frozen or that was frozen and
has thawed. The battery can explode. Replace the battery instead.
x Always follow the instructions of the jumper cable manufacturer.
x Always make sure that the battery providing starting assistance has the same voltage as
the dead battery (12 V) and about the same capacity (see battery label).
x Batteries give off explosive hydrogen gas. Always keep fire, sparks, open flame and
smoking materials away from batteries.
x Never connect the negative cable from the other vehicle directly to the negative terminal
of the dead battery. The hydrogen gas from the battery is explosive.
x Never short out the battery terminals by connecting the positive (+) and negative (-)
terminals with each other.