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To use the engine block heater:
1. Turn the engine off.
2. Open the hood and unwrap the engine
block heater cord.
3. Plug the engine block heater cord into a
grounded 3-wire, 3-pronged extension
cord.
4. Plug the extension cord into a Ground
Fault Interrupt (GFI) protected, grounded
110-volt AC (VAC) outlet.
5. The engine block heater must be
plugged in for at least 2–4 hours, de-
pending on outside temperatures, to
properly warm the engine coolant. Use
an appropriate timer to turn the engine
block heater on.
6. Before starting the engine, unplug and
properly store the cord to keep it away
from moving parts.
ACTIVE NOISE CANCELLATION
This system uses microphones
O
1
located
inside the vehicle to detect engine boom-
ing noise. The system then automatically
generates a noise canceling sound
through the speakers and woofer (if so
equipped) to reduce engine booming
noise.
NOTE:
To operate the active noise cancella-
tion system properly:
• Do not cover the speakers or woofer (if
so equipped).
• Do not cover the microphones.
• Do not change or modify speakers in-
cluding the woofer (if so equipped) and
any audio related components such as
the amplifier.
• Do not make any modification includ-
ing sound deadening or modifications
around the microphones or speakers.
ACTIVE SOUND ENHANCEMENT
Active sound enhancement enhances ex-
isting engine sounds according to the en-
gine speed and driving modes through the
speakers and woofer (if so equipped).
LSD3483
Front Microphone
LSD3261
Rear Microphones
ACTIVE NOISE CANCELLATION/
ACTIVE SOUND ENHANCEMENT (if so
equipped)
5-162 Starting and driving
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