2014 VOLKSWAGEN TOUAREG check engine

Checking engine coolant level and topping off

Fig. 301 Coolant expansion tank in the engine compartment.

Fig. 302 Coolant expansion tank cap in the engine compartment.

system. Have the engine cooling system checked immediately by an authorized Volkswagen dealer or an authorized Volkswagen Service Facility. Otherwise the engine may be damaged!
x When changing or topping off operating fluids, make sure that you pour the fluids into the correct reservoirs. Serious malfunctions and engine damage can result if you pour operating fluids into the wrong reservoir.

Emergency starting and starting the engine with a very weak vehicle battery or after the vehicle battery has been replaced may change or delete system settings (including time, date, personal convenience settings and programming). Check the settings and correct as necessary once the vehicle battery has built up a sufficient charge.
Warning light

Charging the vehicle battery
Vehicle batteries should be charged by an authorized Volkswagen dealer or an authorized Volkswagen Service Facility because the factory-installed battery requires a charger with overload
protection ⇒ .
Replacing the vehicle battery
The battery in your vehicle is specially developed for its location, with special dimensions and safety features. Before buying a new battery, ask an authorized Volkswagen dealer or authorized Volkswagen Service Facility what batteries are suitable with regard to electro-magnetic compatibility, dimensions, required maintenance, performance, and safety specifications. Have the battery replaced by an authorized Volkswagen dealer or an authorized Volkswagen Service Facility.
Only use maintenance-free vehicle batteries meeting standards TL 825 06 and VW 7 50 73. These standards must date from August 2008 or later.
Checking the electrolyte level
The 12 Volt vehicle battery is located under the left front seat, do not check the electrolyte level. Specialized knowledge and tools are required to access the vehicle battery. For this reason, have an authorized Volkswagen dealer or an authorized Volkswagen Service Facility check the electrolyte level of the vehicle battery for you.
Disconnecting the vehicle battery
If the battery must be disconnected from the vehicle's electrical system, note the following:
x Switch off all electrical systems and devices and the ignition.
x Unlock the vehicle before disconnecting the battery; otherwise the alarm system will go off.
x First disconnect the negative cable (-) and then the positive cable (+) ⇒ .
Connecting the vehicle battery
x Prior to reconnecting the battery, switch off all electrical systems and devices and the ignition.
x Connect the positive cable (+) first and then the negative cable (-) ⇒ .
After the battery is connected and the ignition is switched on, different indicator lights may come on. They should go out after you drive a short distance at 10 – 12 mph (15 – 20 km/h). If the indicator lights do not go out , contact an authorized Volkswagen dealer or an authorized Volkswagen Service Facility and have the vehicle checked.
If the battery was disconnected for a long time, the next scheduled service may not be correctly calculated and displayed. The maximum permissible service and maintenance intervals are shown in
the ⇒ booklet Warranty and Maintenance.
Vehicles with Keyless Access
If the ignition will not start after reconnecting the vehicle battery, lock the vehicle from the outside and unlock it again. Then try to start the ignition again. If the ignition cannot be switched on, contact an authorized Volkswagen dealer, an authorized Volkswagen Service Facility, or another qualified workshop for assistance.
Automatic electrical load deactivation
If the vehicle battery drain is high, the intelligent on-board electrical system management automatically takes steps to help prevent battery drain.
x The idle speed is increased so that the alternator provides more power.
x The power to devices that consume a lot of electricity is cut back or switched off completely.
x When the engine is started, the power supply to the 12 Volt sockets and the cigarette lighter is temporarily interrupted.

Lights up Possible cause Proper response
D Glow plug preheating before diesel engine start-up.
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.

The catalytic converter provides exhaust gas after-treatment to help reduce pollutants in the exhaust gas. To help ensure long service life of the exhaust system and gasoline engine catalytic converter:
x Only use unleaded fuel.
x Never run the fuel tank completely dry.
x Do not exceed the correct oil level ⇒ Engine oil.
x Do not tow the vehicle to start it, but use a jump-start instead ⇒ Jump starting.
If you experience misfires, loss of power or the engine is not running smoothly while driving, reduce speed immediately and have the vehicle checked by an authorized Volkswagen dealer or authorized Volkswagen Service Facility. Otherwise, gasoline could reach the exhaust system and get into the atmosphere. The catalytic converter could also be damaged by overheating!
Under certain engine conditions, you may smell a sulfur odor. This is not an indication of a malfunctioning emission control system. This depends upon the sulfur content of the diesel fuel.
Diesel particulate filter

Frequently asked questions
If you suspect a malfunction or vehicle damage, read and follow the following advice before contacting an authorized Volkswagen dealer or an authorized Volkswagen Service Facility. You may also find helpful information under “Characteristics” and “Checklist” in the index.

Description Possible causes among others Possible remedy
Engine does not start.
Vehicle battery dead. – Perform jump start – Charge vehicle battery
The wrong remote control vehicle key is used. Use a valid remote control vehicle key
Fuel level too low. Refuel
AdBlue fill level too low. Refill AdBlue
Vehicle cannot be locked or unlocked using remote control vehicle key.
– Battery in remote control vehicle key dead. – Too far away from vehicle. (out of range). – Buttons have been pressed too many times.
– Replace battery –. Move closer to vehicle. – Synchronize remote control vehicle key – Lock or unlock vehicle manually
Unusual noises. Cold engine, brake-assistance systems, electronic parking brake.
Check the “Noises” entry in the keyword index.
Odd driving behavior. Assistance systems activated. Check the “Assistance systems” entry in the keyword index.
Driver seat and outer mirrors move when vehicle is unlocked.
Convenience settings are stored. Correct convenience settings
Memory-seat settings are stored. – Reassign seat setting – Clear memory-seat memory
Front seats cannot be adjusted with power controls.
Vehicle battery dead. Charge vehicle battery
Fuse blown. Check fuse and replace if necessary
No jack in vehicle or no collapsible spare tire or tire mobility set in vehicle.
Equipment differs depending on vehicle. No direct corrective action possible because this depends on the equipment. Contact an authorized Volkswagen dealer or an authorized Volkswagen Service Facility for assistance
Vehicle has mobility tires.
Features do not work as described in this Manual.
Settings were changed in the Volkswagen Information System or Infotainment System.
Check and reset to factory settings if necessary or
Headlights do not light up the road as they should.
– Headlights incorrectly adjusted. – Light bulbs burned out. – Low beams not switched on.
– Adjust headlight range – Change light bulbs – Switch on low beams
Electrical appliances do not work.
Vehicle battery charge too low. Charge vehicle battery
Remaining fuel level too low. Refuel

Description Possible causes among others Possible remedy
Fuse blown. Check fuse and replace if necessary
Fuel consumption higher than indicated.
– Short hauls. – “Jumpy accelerator pedal”.
– Avoid traveling short distances – Drive defensively. – Accelerate smoothly.
Electrical loads switched on. Switch off unnecessary loads.
Engine control malfunctioning. Have the malfunction corrected.
Tire pressure too low. Adjust tire pressure
Driving in the mountains. No direct corrective action possible.
Towing a trailer or roof rack. – Check use. – Remove if not in use.
Driving with heavy payload. No direct corrective action possible.
Driving at high engine speed. Select a higher gear.