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on.
p leads should be removed only in the order D – C – B –
A⇒ Fig. 177 .
-volt vehicle battery checked.
WARNING
Jump starting the vehicle incorrectly can cause the 12-volt vehicle battery to explode, which can lead
to serious injuries. Please note the following in order to reduce the risk of the 12-volt vehicle battery
exploding:
-volt vehicle battery and the electrical system can cause serious chemical burns,
fire or electric shocks. Always read the warnings and safety information before carrying out any kind
of work on the 12-volt vehicle battery ⇒ 12-volt vehicle battery .
-volt vehicle
battery.
h the leads in the correct order – the positive lead first, followed by the negative.
-insulated parts of the battery clamps must not be allowed to touch. The jump lead
attached to the positive terminal on the 12-volt vehicle battery must not touch electrically
conductive parts of the vehicle.
-volt vehicle battery, using a torch if necessary. If it is light
yellow or colourless, do not jump start the vehicle. Seek expert assistance.
-volt vehicle battery. The hydrogen gas
emitted from the 12-volt vehicle battery could be ignited by sparks.
g if the 12-volt vehicle battery is damaged or if it is or has ever been
frozen.
NOTICE
Once the vehicle has been successfully jump-started, go to a qualified workshop and have the 12-
volt vehicle battery checked.
Tow-starting or towing
Introduction
This chapter contains information on the followingsubjects:
⇒ Notes on tow-starting and towing
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For technical reasons, your vehicle must not be tow-started. Attempt to start the engine by jump
starting ⇒ Jump starting .
Vehicles with a manual gearbox:
Tow-starting is generally not recommended. If the engine does not start, first attempt to start the
engine by jump starting ⇒ Jump starting . Please note that the maximum tow-starting distance for
petrol engines is 50 m.
-rope or the tow-bar only to the towing eyes provided ⇒ Fitting the rear towing
eye or ⇒ Fitting the front towing eye .
warning lights.
utral to prevent
driving into the towing vehicle.
NOTICE
When tow-starting, unburnt fuel can enter the catalytic converter and damage it.
Towing
First read and observe the introductoryinformation and safety warnings⇒Introduction
Preparations
h the tow-rope or the tow-bar only to the towing eyes provided ⇒ Fitting the rear towing
eye or ⇒ Fitting the front towing eye or to the towing bracket ⇒ Trailer towing .
-rope is not twisted. Otherwise a towing eye may become unscrewed
during towing.
regulations to the contrary.
Pulling vehicle (front)
tow-rope must be taut before you drive off properly.
Page 386 of 502
-volt vehicle battery. Discharged 12-volt vehicle batteries can already freeze
at temperatures of around 0°C (+32°F). Frozen 12-volt vehicle batteries must be renewed
immediately.
NOTICE
Do not expose the 12-volt vehicle battery to direct daylight for an extended time.
NOTICE
Protect the 12-volt vehicle battery against frost if the vehicle is left standing for extended periods.
-volt vehicle battery can freeze and be destroyed as a result.
When you start the engine after the 12-volt battery has been totally discharged or after jump
starting, you may find that system settings (time, date, personal convenience settings and
programming) have been changed or deleted. Check and correct the settings as necessary once the
12-volt vehicle battery has been sufficiently charged.
Checking the electrolyte level of the 12-volt vehicle battery
Fig. 191 In the engine compartment: folding open the 12-volt vehicle battery cover.