2013 Lexus GS350 warning lights

491-1. For safe use
GS350_U (OM30C34U)
1
For safety and security
■Unoccupied
■There is a malfunction in the system
Indicator/
warning light
“AIR BAG ON” and “AIR BAG OFF” indicator lightsNot
illuminated
SRS warning light
Off
Seat belt reminder light
Devices
Front passenger airbagDeactivated
Side airbag
on the front passenger seat
ActivatedCurtain shield airbag
in the front passenger side
Front passenger knee airbag
Deactivated
Front passenger’s seat belt pretensioner
Indicator/
warning light
“AIR BAG ON” and “AIR BAG OFF” indicator lights“A I R B A G O F F ”
SRS warning lightOn
Seat belt reminder lightOff
Devices
Front passenger airbagDeactivated
Side airbag
on the front passenger seat
ActivatedCurtain shield airbag
in the front passenger side
Front passenger knee airbagDeactivated
Front passenger’s seat belt pretensionerActivated

73
GS350_U (OM30C34U)
Instrument cluster2
2. Instrument cluster Warning lights and indicators ............................... 74
Gauges and meters ..................... 79
Multi-information display .......... 82
Head-up display ............................ 90

74
GS350_U (OM30C34U)
2. Instrument cluster
Warning lights and indicators
◆Instrument cluster
The units used on the speedometer and some indicators may differ depending on
the target region.
◆Center panel
The warning lights and indicators on the instrument cluster and center
panel inform the driver of the status of the vehicle’s various systems.
For the purpose of explanation, the following illustration displays all
warning lights and in dicators illuminated.

GS350_U (OM30C34U)
752. Instrument cluster
2
Instrument cluster
Warning lights inform the driver of malfunctions in the indicated vehicle’s
systems.
Warning lights
*1
(U.S.A.)
Brake system warning light
(→ P. 686)*1
Slip indicator ( →P. 6 8 8 )
*1
(Canada)
Brake system warning light
(→ P. 686)*1, 2
(if equipped)
“AFS OFF” indicator
(→ P. 6 8 8 )
*1Charging system warning
light ( →P. 6 8 7 )*2
(U.S.A.)
Parking brake indicator
(→ P. 6 8 8 )
*1
(U.S.A.)
Malfunction indicator
lamp ( →P. 6 8 7 )*2
(Canada)
Parking brake indicator
(→ P. 6 8 8 )
*1
(Canada)
Malfunction indicator
lamp ( →P. 6 8 7 )*1Brake system warning light
(→ P. 6 8 9 )
*1SRS warning light
(→ P. 6 8 7 )*1Open door warning light
(→ P. 6 8 9 )
*1
(U.S.A.)
ABS warning light
(→ P. 6 8 7 )*1Low fuel level warning light
(→ P. 6 8 9 )
*1
(Canada)
ABS warning light
(→ P. 6 8 7 )*1Seat belt reminder light
(→ P. 6 8 9 )
*1Electric power steering
system warning light
(→ P. 6 8 7 )*1Master warning light
(→ P. 6 8 9 )

76
GS350_U (OM30C34U)
2. Instrument cluster
*1: These lights turn on when the engine switch is turned to IGNITION ON mode toindicate that a system check is being performed. They will turn off after the engine
is on, or after a few seconds. There may be a malfunction in a system if the lights
do not come on, or turn off. Have the vehicle inspected by your Lexus dealer.
*2: The light flashes to indicate a malfunction.
*1, 2
(if equipped)
“PCS” warning light
(→ P. 6 8 7 , 7 0 2 )*1
Tire pressure warning light
(→ P. 6 9 0 )

78
GS350_U (OM30C34U)
2. Instrument cluster
*1: These lights turn on when the engine switch is turned to IGNITION ON mode toindicate that a system check is being performed. They will turn off after the engine
is on, or after a few seconds. There may be a malfunction in a system if the lights
do not come on, or turn off. Have the vehicle inspected by your Lexus dealer.
*2: The light flashes to indicate that the system is operating.
*3: The light comes on when the system is turned off. The light flashes faster thanusual to indicate that the system is operating.
CAUTION
■If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS warning light not come on
when you start the engine, this could mean that these systems are not available to
help protect you in an accident, which could result in death or serious injury. Have
the vehicle inspected by your Lexus dealer immediately if this occurs.

188
GS350_U (OM30C34U)
4-2. Driving procedures
■When there is a malfunction in the system
Warning lights and/or warning message will turn on or flash. (→P. 688, 701)
Depending on the condition, the parking brake indicator light may flash.
■Usage in winter time
→ P. 299
NOTICE
■When parking the vehicle
Before you leave the vehicle, set the parking brake, shift the shift lever to P and
make sure that the vehicle does not move.
■When the system malfunctions
Stop the vehicle in a safe place and check the warning messages.
■When the parking brake cannot be released due to a malfunction
Use the parking brake release tool to manually release the parking brake.
(→ P. 7 3 8 )
Driving the vehicle with the parking brake set will lead to brake components over-
heating, which may affect braking performance and increase brake wear.

234
GS350_U (OM30C34U)
4-5. Using the driving support systems
■If there are lane markers on only one side of the vehicle
The lane keeping assist function will not operate. Also, the lane departure warning
will not operate for the side on which lane markers could not be recognized.
■Conditions in which the function may not operate correctly
In the following conditions, the LKA system functions may not operate, or it may not
be possible to ensure adequate performance. Also, the camera sensor may be
unable to recognize lane lines causing the lane departure warning function to oper-
ate incorrectly, or the lane keeping assist function may not operate properly. How-
ever, this does not indicate a malfunction.
●When driving through an area with no lane markers, such as a tollbooth, a crossing
or before a ticket checkpoint
●When driving on a sharp curve
●When lanes are extremely narrow or extremely wide
●When the vehicle leans to one side an unusual amount due to a heavy load or
improper tire inflation pressure
●When the following distance between your vehicle and the vehicle ahead is
extremely short
●When the lane markers are yellow (These may be more difficult for the system to
recognize compared to white markers.)
●When the lane markers are broken, “Botts’ dots”, “Raised pavement marker” or
stones
●When lane markers are obscured or partially obscured by sand, dirt, etc.
●When there are shadows on the road running parallel with lane markers, or if a
shadow covers the lane markers
●When driving on a particularly bright road surface, such as concrete
●When driving on a road surface that is bright due to reflected light
●When driving in a location where the light level changes rapidly, such as the
entrance to or exit from a tunnel
●When sunlight or the headlights of oncoming vehicles are shining directly into the
camera lens
●When driving on roads that are branching or merging
●When driving on a road surface that is wet due to rain, previous rainfall, standing
water, etc.
●When the vehicle experiences strong up-and-down motion such as when driving
on an extremely rough road or on a seam in the pavement
●When headlight brightness at nighttime is reduced due to dirt on the lenses, or
when the headlights are misaligned
●When driving with a strong crosswind