change key battery TOYOTA 4RUNNER 2019 Accessories, Audio & Navigation (in English)

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1. BASIC OPERATION
4RUNNER_Navi_U
2. SOME BASICS
“POWER/VOL” knob: Press to turn the
audio system on and o ff. The system turns
on in the last mode used. Turn this knob to
adjust the volume.
“AUDIO” button: Press to display screen
buttons for the audio system.
This section describes some of the ba-
sic features of the audio system. Some
information may not pertain to your
system.
 Vehicles without a smart key system
Your audio system works when the en-
gine switch is in the “ACC” or “ON” po-
sition.
Vehicles with a smart key system
Your audio system works when the en-
gine switch is in ACCESSORY or IGNI-
TION ON mode.
CAUTION
●For vehicles sold in U.S.A.:
Part 15 of the FCC Rules
FCC WARNING: Changes or
modifications not expressly approved by
the party responsible for compliance
could void the user’s authority to operate
the equipment.
● Laser products (Entune Audio Plus)
• USE OF CONTROL OR
ADJUSTMENT OR PERFORMANCE
OF PROCEDURES OTHER THAN
THOSE SPECIFIED HEREIN MAY
RESULT IN HAZARDOUS
RADIATION EXPOSURE.
•THE USE OF OPTICAL INSTRUMENTS WITH THIS
PRODUCT WILL INCREASE EYE
HAZARD.
● Laser products (Entune Premium Audio)
THIS PRODUCT IS A CLASS  LASER
PRODUCT. USE OF CONTROLS OR
ADJUSTMENTS OR PERFORMANCE
OF PROCEDURES OTHER THAN
THOSE SPECIFIED HEREIN MAY
RESULT IN HAZARDOUS RADIATION
EXPOSURE. DO NOT OPEN COVERS
AND DO NOT REPAIR BY YOURSELF.
REFER SERVICING TO QUALIFIED
PERSONNEL.
NOTICE
● To prevent the battery from being dis-
charged, do not leave the audio system
on longer than necessary when the
engine is not running.
TURNING THE SYSTEM ON
AND OFF
 A function that enables automatic return
to the home screen from the audio
screen can be selected. ( P. 5 6 )