Head unit AUDI Q7 2013 Owner´s Manual

2 78 Check ing and filling
Al ways read and h eed all WARNING S below
¢ A and ¢ A in Working on the bottery on
page 276.
.,. Turn off the ign it ion and a ll electri cal con­
sumers .
.,. Make sure the area is well venti lated when
yo u charge the battery.
.,. Open the hood
¢ page 264.
.,. Open the red cover on the posit ive pole
¢ fig . 249 .
.,. Co nnect the charger connectors accord ing
to the instruct ions to the
jump start b olt s.
(Bolts under the red cover= "positive", Bolts
with hex head= "negative") .
.,. Only now plug the mains lead for the charg­
ing equipment into the wall outlet and turn
it on ¢.&_ .
.,. Ma ke s ure the charging ra te i s n ot o ver
30 amp s/14. 8 Volt.
.,. When the battery is fully charged: Turn the
charging equ ipment off and remove the
mains lead from the wall outlet .
.,. Now remove the clamps for the charging
equipment.
.,. Close the red cove r o n the pos it ive pole.
.,. Close the hood
¢ page 264.
A discharged batte ry can fre eze at tempera­
tures of on ly O
0C. Allow a frozen batte ry to
thaw comp lete ly before at tempting to charge
it ¢& . However, we recommend not using a
thawed battery again because the battery cas­
ing can be cracked due to ice formation and
can leak battery acid .
Battery charging (Ma ximum charging rate
of 30 amp s/14 .8 Volt)
When charging at low voltages (e.g . w ith a
tri ckle ch arger ), the battery cables do not
have to be d isconnected first. The battery
caps should
not be opened when charging a
battery .
It is not necessary to remove the battery from
the luggage compartment.
Fast chargin g the battery (ch arging rate
ab ove 14.8 V olt s)
For technical reasons do not use a battery
charger that uses voltage greater than 14.8
Volts to charge your vehicle's battery.
A WARNING
= -
Charging a battery can be dangerous .
-Always follow the operating instructions
provided by the battery charger manu­
facturer when charg ing your battery .
- Never charge a frozen battery. It may ex­
plode because of gas trapped in the ice.
Allow a frozen battery to thaw out f irst .
- Do not reuse batteries wh ich were fro­
zen. The battery housing may have
cracked and weakened when the battery
froze.
- Charge the battery in a well ventilated
area. Keep away from open flame or elec­
tr ica l spark. Do not smoke. Hydrogen gas
generated by the battery is explos ive .
- To reduce the danger of explosion, never
connect or d isconnect charger cab les
while the charger is ope rat ing .
- Fast cha rging a battery is dangerous and
should only be attempted by a compe­
tent techn ic ian with the proper equip­
ment .
- Battery acid that may sp ill dur ing cha rg­
ing should be washe d off wi th a solut ion
of wa rm water and baking soda to neu ­
tralize the ac id.
(D Note
Neve r use a fast charger as a booster to
start the eng ine. Th is w ill seriously dam­
age sensit ive e lectronic components, such
as contro l units, re lays, radio, etc., as well
as the battery charger.