2012 Lexus IS250 Using the air conditioning system and defogger / LEXUS 2012 IS250,IS350 OWNERS MANUAL (OM53A87U)

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1-5. Refueling
1
Before driving
CAUTION
■Refueling the vehicle
Observe the following precautions while refueling the vehicle. Failure to do so may
result in death or serious injury.
●Touch the

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Lexus IS250 2012  Using the air conditioning system and defogger / LEXUS 2012 IS250,IS350 OWNERS MANUAL (OM53A87U) 90
1-6. Theft deterrent system
Engine immobilizer system
The vehicles keys have built-in transponder chips that prevent the engine
from starting if the key has not been previously registered in the v

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1-6. Theft deterrent system
1
Before driving
■System maintenance
The vehicle has a maintenance-free type engine immobilizer system.
■Conditions that may cause the system to malfunction
●If th

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Lexus IS250 2012  Using the air conditioning system and defogger / LEXUS 2012 IS250,IS350 OWNERS MANUAL (OM53A87U) 92
1-6. Theft deterrent system
Alarm
The system sounds the alarm and flashes the lights when forcible entry is
detected.
■ Triggering of the alarm
The alarm is triggered in the following situations

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1-6. Theft deterrent system
1
Before driving
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Points to remember before locking the doors
To prevent unexpected trigger

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Lexus IS250 2012  Using the air conditioning system and defogger / LEXUS 2012 IS250,IS350 OWNERS MANUAL (OM53A87U) 94
1-6. Theft deterrent system
■Alarm-operated door lock
●When the alarm is operating, the doors are locked automatically to prevent
intruders.
●Do not leave the key inside the vehicle when the

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Lexus IS250 2012  Using the air conditioning system and defogger / LEXUS 2012 IS250,IS350 OWNERS MANUAL (OM53A87U) 95
1
1-6. Theft deterrent system
Before driving
Theft prevention labels (U.S.A.)
These labels are attached to the
vehicle to reduce vehicle theft
by facilitating the tracing and
recovery of parts from

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1-7. Safety information
Correct driving posture
Drive in a good posture as follows:
Sit upright and well back in
the seat. (P. 56)
Adjust the position of the seat
forward or backward to
ensure t