User Manual - Page 168

For 2017 JEEP CHEROKEE.

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Adaptive Cruise Control (ACC) Ready Light If Equipped
White Telltale
Light
What It Means
Adaptive Cruise Control (ACC) Ready Light If Equipped
This light will turn on when the vehicle equipped with Adaptive Cruise Control (ACC) has been
turned on and in the READY state. Refer to “Adaptive Cruise Control (ACC) If Equipped” in
“Starting And Operating” for further information.
ONBOARD DIAGNOSTIC SYSTEM OBD II
Your vehicle is equipped with a sophisticated Onboard
Diagnostic system called OBD II. This system monitors the
performance of the emissions, engine, and transmission
control systems. When these systems are operating prop-
erly, your vehicle will provide excellent performance and
fuel economy, as well as engine emissions well within
current government regulations.
If any of these systems require service, the OBD II system
will turn on the Malfunction Indicator Light (MIL). It will
also store diagnostic codes and other information to assist
your service technician in making repairs. Although your
vehicle will usually be drivable and not need towing, see
your authorized dealer for service as soon as possible.
CAUTION!
Prolonged driving with the MIL on could cause
further damage to the emission control system. It
could also affect fuel economy and driveability. The
vehicle must be serviced before any emissions tests
can be performed.
If the MIL is flashing while the vehicle is running,
severe catalytic converter damage and power loss
will soon occur. Immediate service is required.
Onboard Diagnostic System (OBD II) Cybersecurity
Your vehicle is required to have an Onboard Diagnostic
system (OBD II) and a connection port to allow access to
information related to the performance of your emissions
166 GETTING TO KNOW YOUR INSTRUMENT PANEL
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