Audi A5 2009 Owner's Manual page 11

Warning light in the instrument c luster display - L
If the _L wa rn ing l ight in the instr ument cluste r display flashes, this
can mean one of two things : either the coolant temperature is too
h igh, or the coolan t level is t oo low ~ page 30.
If t he needle is we ll in t he upper area of the gauge, the coolant
temperature is too high. Stop the vehicle, swit ch the engine off, and
allow it to cool. If the war n ing light comes on again after d riv ing a
short distance, contact an authorized Audi dea ler or other qualified
w o rksh o p.
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WARNING
• Alway s observe the warning in
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page 267, "Engine compart-
ment ", before open ing the hood and checking the engine coolant
level.
• Never open the engine hood if you see or hear steam , or if you
see engine coolant dripping from the engine compartment. You
could burn yourself . Let the engine cool off first so that you cannot
hear or see any steam or engine coolant .
0
Note
• Mo unting add it iona l lights or accesso r ies in front of the air inlets
reduces the cooling effect of the radiator . At high outside tempera -
t ures o r high engi ne load, t he engine coul d over heat .
• The front spoiler has been designed to properly distribute the
cooling air wh en the vehic le is moving. If the spoi ler is dam aged,
this could reduce the coo ling effect and the engine could then over-
heat . Ask your auth or ized Audi deale r f or assist ance . •
Cont rols and equip-
ment
Instruments and warning / indicator lights
Tachometer (engine rev counter)
The ta ch ometer in dicat es t he engine RPM (revolu tio ns p er
m in utes).
If engine RPM drops below 1,500, you should downshift to the next
low er g ear. The red area at t he end of the scale indicates maxim um
permissible engine RPM after the break -in period. Before reaching
this area, move the selecto r lever to po siti on "D (Drive)" o r ease your
foot off the acce lerator peda l.
0
Note
The tachometer needle @ ~ page 8, fig. 2 should only briefly be in
t he red zone : you co uld damage yo ur engine! The beginning of t he
red zone varies depending on the engine .
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For the sake of the environment
Ups hiftin g ear ly saves fu el and reduces engine noise . •
[ S ET ) button
You can per form diffe ren t fu nctio ns w it h this but ton.
Fig. 3 SET button in
the inst rument cluster
The [SET ] b utto n perfor ms t he fo ll owi ng fu nct io ns:
Vehicle care
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I
irechnical data