cooling lexus LFA 2012 Technical Information / LEXUS 2012 LFA (OM77006U) User Guide

297
4-3. Do-it-yourself maintenance
4
Maintenance and care
■ Luggage compartment
FuseAmpereCircuit
1VSSR 5 A Electric power control system
2RR-IG110 AActive rear wing, electric cooling fans,
electronic parking brake, electroni-
cally controlled brake system, seat
belts, navigation system, rear window
defogger, back-up lights
3WASH
20 A Windshield washer
4F/OPN 10 A Fuel filler door opener
5TA I L 1 0 AParking lights, front side marker lights,
rear side marker lights, license plate
lights, stop/tail lights
6RR FOG 7.5 A

7AMP RH 30 A Audio system
8AMP LH 30 A Audio system
9OIL PMP 25 AASG (Automated Sequential Gear-
box)
10RR ECU-B 7.5 AActive rear wing, electronic parking
brake
11ASG-IG2 7.5 AASG (Automated Sequential Gear-
box)

5
When trouble arises
351
5-2. Steps to take in an emergency
If your vehicle overheats
If your engine overheats:
Stop the vehicle in a safe place and turn off the air conditioning
system.
Check to see if steam is coming out from under the hood.
If you see steam:
Stop the engine. Care fully lift the hood after the steam subsides
and then restart the engine.
If you do not see steam:
Leave the engine running and carefully lift the hood.
Check to see if the cooling fan is
operating.
While being careful of hot air and
exhaust gases, check by looking
through the radiator grilles or by
listening to the operating sound.
If the fan is operating:
Wait until the engine coolant tem-
perature shown on the gauge low-
ers and then stop the engine.
If the fan is not operating:
Stop the engine immediately and
call your local Lexus dealer.
STEP1
STEP2
STEP3

362
6-1. Specifications
Cooling system
Ignition system
Capacity26.9 qt. (25.5 L, 22.4 Imp. qt.)
Coolant typeUse either of the following.
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based non-sili- cate, non-amine, non-nitrite, and non-borate cool-
ant with long-life hybrid organic acid technology
Do not use plain water alone.
Spark plug
Make
Gap DENSO PK22HTBR-L8
0.032 in. (0.8 mm)
NOTICE
■Platinum-tipped spark plugs
Use specified spark pl
ugs mentioned above. Do not adjust gap when tuning engine.

404
Alphabetical index
CleaningExterior ................................................... 228
Interior ..................................................... 235
Seat belts................................................ 236
Clock .......................................................... 148
Condenser ............................................... 261
Control pad .............................................. 125
Cooling system Engine overheating ............................351
Current fuel consumption.................. 132
Customizable features ...................... 383
Daytime running light system ........... 159
Defogger Rear window ..........................................201
Side mirror ..............................................201
Dimension*
2
Dinghy towing ......................................... 183
Discharge headlights Discharge headlight precautions ...................................... 300
Replacing light bulbs........................ 299
Switch ....................................................... 158
Wattage.................................................. 367
Display Menu display.......................................... 124
Rear view monitor system...............163
Trip information ..................................... 118
Warning message............................. 322
Do-it-yourself maintenance ............. 247 Door courtesy lights
Door courtesy lights .........................207
Wattage ..................................................367
Door pockets ........................................... 212
Doors Door lock ......................................... 22, 25
Door windows ........................................46
Side mirrors.............................................. 43
Down light ............................................... 207
Driver's seat belt reminder light ...... 315
Driving Correct posture.................................... 59
Procedures.............................................. 88
Driving mode .......................................... 104
Driving range ............................................ 119
D