2016 Lexus IS350 Trunk light

4607-3. Do-it-yourself maintenance
IS350/300/200t_U (OM53D18U)
■Rear turn signal lights Open the trunk, and remove the
2 covers and 2 screws.
When removing the cover, wrap the
tip of the screwdriver with tape to
protect the vehicle from damage.
Push and pull the light unit toward
the rear of the vehicle as shown in
the illustration to remove it.
Apply protective tape to the periph-
eral of the light un it installation sur-
face on the vehicle body, such as the
rear bumper, to protect the vehicle
from damage.
Pushing on the portion A in the illus-
tration toward the rear of the vehicle
will make disengagement of the tabs
easier.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
1
2
3
4

4627-3. Do-it-yourself maintenance
IS350/300/200t_U (OM53D18U)
■Back-up light Open the trunk, remove the 3
clips on the side which the bulb is
to be replaced and pull back the
trunk lid cover.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
Pull out the connector carefully,
ensuring that excessive pulling load is
not applied to the wire harness.
Install a new light bulb then install
the bulb base to the light unit by
inserting it and turning the bulb
base clockwise.
After installing the light bulb, turn on
the back-up light to visually check
that there is no li ght leaking from the
bulb base.
Reinstall the trunk lid cover with the 3 clips.
To install the clips, simply push them in.
1
2
3
4
5

4778-2. Steps to take in an emergency
8
When trouble arises
IS350/300/200t_U (OM53D18U)
Electric power steering system warning light (warning buzzer)Indicates a malfunction in the EP S (Electric Power Steering) sys-
tem
 Have the vehicle inspected by your Lexus dealer immediately.
(Flashes)
(If equipped)
Pre-collision system warning light Indicates a malfunction in the PCS (Pre-Collision System)
The warning light will operate as follows, even when the system is
not malfunctioning:
• The light will flash quickly when the system is operating.
( P. 2 5 5 )
• The light will turn on when the pre-collision system is disabled.
(  P. 2 5 6 )
• The light will turn on when th e VSC (Vehicle Stability Control)
system is disabled. ( P. 2 5 1 )
• The light will flash when the system cannot temporarily be used.
( P. 4 9 0 )
 Have the vehicle inspected by your Lexus dealer immediately.
Slip indicator
Indicates a malfunction in:
• The VSC (Vehicle Stability Control) system;
• The TRAC (Traction Control) system; or
• The hill-start assist control system
The light will flash when the VSC or the TRAC system is operating.
 Have the vehicle inspected by your Lexus dealer immediately.
Automatic headlight leveling system warning light
Indicates a malfunction in the au tomatic headlight leveling system
 Have the vehicle inspected by your Lexus dealer immediately.
Open door warning light (warning buzzer)*2
Indicates that a door or the trunk is not fully closed
 Check that all the doors and the trunk are closed.
Low fuel level warning light
Indicates that remaining fuel is approximately 2.6 gal. (10 L, 2.2
Imp. gal.) or less
 Refuel the vehicle.
Seat belt reminder light (warning buzzer)*3
Warns the driver and/or front passenger to fasten their seat belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, the front passenger’s
seat belt also needs to be fa stened to make the warning light
(warning buzzer) turn off.
Master warning light A buzzer sounds and the warning light comes on and flashes to
indicate that the master warning system has detected a malfunc-
tion.
 P. 4 8 2
Warning lightWarning light/Details/Actions

5369-1. Specifications
IS350/300/200t_U (OM53D18U)
Light bulbs*1
Light bulbsBulb No.WTy p e
Exterior
Discharge headlights*235A
Front turn signal lights7444NA28 /8B
Rear turn signal lights21B
Back-up lights92116C
Outer foot lights5C
Interior
Door courtesy lights1685C
Vanity lights8C
Interior light8C
Pe r s o n a l l i g h t s8C
Footwell lights1943.8C
Trunk light5C
A: D4S discharge bulbs B: Wedge base bulbs (amber)
C: Wedge base bulbs (clear)
*1: Light bulbs not listed in this table are LED bulbs.
*2: If equipped

578What to do if... (Troubleshooting)
IS350/300/200t_U (OM53D18U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 4 7 7 )
●The parking brake indicator is on
Is the parking brake released? ( P. 1 7 7 )
Depending on the situation, other type s of warning buzzer may also sound.
( P. 4 76 , 4 8 2 )
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 7 1 )
Do one of the following to de activate or stop the alarms:
• Unlock the doors or open the trunk.
• Turn the engine switch to ACCESSORY or IGNITION ON mode, or start
the engine.
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. ( P. 4 8 2 )
●When a warning light turns on or a warning message is displayed, refer to
P. 4 76 , 4 8 2 . A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

589Alphabetical index
IS350/300/200t_U (OM53D18U)
Lane Departure Alert (LDA) ............ 217
Language (multi-information display) ............... 89
LATCH anchors ...................................... 59
LDA (Lane Departure Alert) ............ 217
Lever Auxiliary catch lever ...........................421
Hood lock release lever ...................421
Internal trunk release lever............... 113
Shift lever ................................................. 169
Tilt and telescopic steering lock release lever............................. 134
Turn signal lever .................................. 175
Wiper lever ............................................ 187
Lexus Display Audio controller...... 278
Lexus Display Audio system ............ 276
Lexus Enform
*
Lexus Enform Remote*.................... 365
Lexus Enform Safety Connect........400
Lexus parking assist monitor
*........ 230
License plate lights.................................178 Light switch ............................................ 178
Replacing light bulbs ........................463 Light bulbs
Replacing ............................................... 457
Wattage .................................................536
Lights Fog light switch .................................... 186
Headlight switch ..................................178
Illuminated entry system................. 379
Interior light........................................... 379
Interior lights list.................................. 378
Personal lights ..................................... 379
Replacing light bulbs ....................... 457
Trunk light..................................................113
Turn signal lever ................................... 175
Vanity lights .......................................... 387
Wattage .................................................536
Lock steering column........................... 166
Low profile tire ...................................... 438
Luggage security system ......................112
L
*: For vehicles with a navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

591Alphabetical index
IS350/300/200t_U (OM53D18U)
Odometer ....................................................81
OilEngine oil................................................ 527
Front differential oil............................532
Rear differential oil .............................532
Opener Hood ..........................................................421
Trunk ............................................................. 111
Outer foot lights Location ..................................................378
Replacing light bulbs ........................463
Wattage ................................................. 536
Outside rear view mirrors ................. 138 Adjusting and folding........................ 138
Blind spot monitor ............................. 262
Linked mirror function when reversing ................................. 139
Mirror position memory .................. 126
Outside rear view mirror defoggers ............................ 372
Outside temperature...............................81
Overheating, Engine ............................516 Paddle shift switches...............................171
Parking assist sensors
(intuitive parking assist)...................223
Parking brake .......................................... 177
Parking lights ........................................... 178 Light switch.............................................178
Replacing light bulbs ....................... 463
PCS (Pre-Collision System)............ 255 Function .................................................. 255
PCS OFF switch ................................ 256
Warning light ........................................477
Personal lights ........................................379 Wattage .................................................536
Pop-up display ......................................... 89
Power easy access system ................. 126
Power outlet ........................................... 388
Power steering (Electric power steering system) ................................ 250Warning light ........................................477
Power windows.........................................141 Door lock linked window operation ........................... 143
Jam protection function.................... 142
Operation..................................................141
Window lock switch ............................141
Pre-Collision System (PCS)............ 255 Function .................................................. 255
PCS OFF switch ................................ 256
Warning light ........................................477
OP
*: For vehicles with a navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

595Alphabetical index
IS350/300/200t_U (OM53D18U)
Sun shadeRear.......................................................... 389
Roof............................................................ 145 switch settings ................................... 89
Switches Audio remote control switches ................................................ 281
BSM (Blind Spot Monitor) switch.................................................... 262
Cruise control switch........................ 198
Door lock switches ............................ 107
Driving mode select switch ..........246
Driving position memory switches ................................................ 126
Dynamic radar cruise control switch ...................................202
Emergency flashers switch .......... 466
Engine switch ........................................ 164
Fog light switch .................................... 186
Garage door opener switches ...............................................392
Heated steering wheel switch.................................................... 376
Ignition switch ....................................... 164
Intuitive parking assist ...................... 223
LDA (Lane Departure Alert) switch..................................................... 218
Light switches ....................................... 178
Meter control switches ...................... 87 Moon roof switches ........................... 144
Outside rear view mirror
switches ............................................... 138
Paddle shift switches............................ 171
PCS OFF switch ................................ 256
Power door lock switch ...................107
Power window switches ....................141
Rear sunshade switch .....................389
Rear window and outside rear view mirror defoggers
switch ....................................................372
Seat heater switches .........................377
Seat ventilator switches ...................377
Snow mode switch .............................170
Steering wheel switch ........................ 87
“SOS” button ...................................... 400
Talk switch............................................. 340
Telephone switches.......................... 340
Tilt and telescopic steering control switch .................. 134
Tire pressure warning reset switch ................................................... 436
Trunk opener main switch ................112
Trunk opener switch ............................. 111
Vehicle-to-vehicle distance button ................................................... 206
VSC OFF switch ................................. 251
Window lock switch ............................141
Windshield wiper and washer switch ...........................187