Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS2012IS 250C V6-2.5L (4GR-FSE)REPAIR AND DIAGNOSISINSTRUMENT PANEL, GAUGES AND WARNING INDICATORSTESTING AND INSPECTIONPROGRAMMING AND RELEARNINGCUSTOMIZE PARAMETERS
2012 Lexus IS 250C V6-2.5L (4GR-FSE)
Customize Parameters
2012 Lexus IS 250C V6-2.5L (4GR-FSE)SECTION Customize Parameters
METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: CUSTOMIZE PARAMETERS
1. METER/GAUGE SYSTEM
(a) Combination Meter Assembly
NOTICE:
* Be sure to record the current value before customizing.
HINT
The following items can be customized using the Techstream.
Warning
Unit Conversion
* *1: for U.S.A.
* *2: except U.S.A.
Display
(b) Seat Belt Warning Buzzer ON/OFF Setting
The seat belt warning buzzer ON/OFF setting, which is a setting of the buzzer function of the combination meter assembly, can disable the driver and front passenger side seat belt buzzers.
NOTICE:
* These buzzers should be on for safe driving. Perform the procedure only if it is necessary to disable the buzzer.
* When either the cable connected to the battery terminal or the combination meter assembly connector is disconnected, these buzzers are set on (enabled).
* The trip meter returns to 0 after starting this procedure, although it is not displayed.
HINT
* "b-off" indicates that the buzzer is off. "b-on" indicates that the buzzer is on. The buzzer on/off setting will be finished (the odometer will display "ODO") if the ODO/TRIP switch is not operated for 10 seconds or more. In this case, perform step 11 to check that the buzzer on/off setting is complete. If it is not complete, start from step 1 again.
* The following item can be customized without using the Techstream.
(1) Driver and front passenger side seat belt buzzers:
1 Turn the engine switch on (IG).
2 Press the ODO/TRIP switch until the odometer displays "ODO".
3 Turn the engine switch off.
4 Turn the engine switch on (IG).
5 Press the ODO/TRIP switch immediately (within 6 seconds) and hold it down for 10 seconds or more.
6 Continue holding down the ODO/TRIP switch and fasten the driver side seat belt.
7 Check that the odometer displays either "b-on" or "b-off".
8 Press the ODO/TRIP switch to change the display to "b-off".
9 Turn the engine switch off and unfasten the driver side seat belt.
10 Turn the engine switch on (IG).
11 Check that no buzzer sounds at the vehicle speed of 20 km/h (12 mph) or more.
(2) Front passenger side seat belt buzzer:
1 Turn the engine switch on (IG).
2 Press the ODO/TRIP switch until the odometer displays "ODO".
3 Turn the engine switch off.
4 Turn the engine switch on (IG).
5 Sit in the front passenger seat. Press the ODO/TRIP switch immediately (within 6 seconds) and hold it down for 10 seconds or more.
6 Remaining seated, keep holding down the ODO/TRIP switch and fasten the front passenger side seat belt.
7 Check that the odometer displays either "b-on" or "b-off".
8 Press the ODO/TRIP switch to change the display to "b-off".
9 Turn the engine switch off and unfasten the front passenger side seat belt.
10 Turn the engine switch on (IG).
11 Check that no buzzer sounds at the vehicle speed of 20 km/h (12 mph) or more.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.