Jeep Liberty 2008 Owner's Manual page 206

20. Electronic Stability Program (ESP)/Brake Assist
System (BAS) Malfunction Indicator Light – If
Equipped
The malfunction indicator light for the ESP is
combined with the BAS indicator. The yellow
"ESP/BAS Warning Light" in the instrument
cluster comes on when the ignition switch is
turned to the ON position. It should go out with the
engine running. If the "ESP/BAS Warning Light" comes
on continuously with the engine running, a malfunction
has been detected in either the ESP or the BAS system, or
both. If this light remains on after the several ignition
cycles, and the vehicle has been driven several miles/
kilometers at speeds greater than 30 mph (48 km/h), see
your authorized dealer as soon as possible to have the
problem diagnosed and corrected.(See page 327 for more
information.)
NOTE: The "ESP/BAS Warning Light" comes on mo-
mentarily each time the ignition switch is turned ON.
INSTRUMENT PANEL AND CONTROLS 205
NOTE: Each time the ignition switch is turned ON, the
ESP System will be on even if it was turned off previ-
ously.
NOTE: The ESP Control System will make buzzing or
clicking sounds when it is active. This is normal; the
sound will stop when the ESP becomes inactive following
a maneuver that caused the ESP activation.
21. SERV (Service) 4WD Indicator Light — If Equipped
The "SERV 4WD Indicator Light" will turn on
when the ignition key is turned to the ON
position and it will stay on for two seconds. If
the light stays on or turns on during driving, it
means that the 4WD system is not functioning properly
and that service is required.
22. Coolant Temperature Warning Light
This light warns of an overheated engine condi-
tion. If the light turns on while driving, safely pull
over and stop the vehicle. If the air conditioner is
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