2010 TOYOTA TUNDRA low oil pressure

194
2-2. Instrument cluster
Gauges and meters
Vehicles with multi-information display
The following gauges, meters and displays illuminate when the
engine switch is in the ON position. Tachometer
Displays the engine speed in revolutions per minute.
Speedometer
Displays the vehicle speed.
Fuel gauge
Displays the quantity of fuel remaining in the tank.
Vo l t m e t e r
Displays the charge state.
Engine oil pressure gauge
Displays the engine oil pressure.
Engine coolant temperature gauge
Displays the engine coolant temperature.
Odometer/trip meter switching and trip meter resetting button
Switches between odometer and trip meter displays. Pushing and hold-
ing the button will reset the trip meter when the trip meter is being dis-
played.

5
When trouble arises
591
5-1. Essential information
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact your Toyota dealer as soon as
possible.
■ Visible symptoms
●Fluid leaks under the vehicle
(Water dripping from the air cond itioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temperature g auge needle continually points
higher than normal
● Voltmeter continually points higher or lower than normal
(if equipped)
● Engine oil pressure gauge continually points lower than nor-
mal (if equipped)
● Automatic transmission fluid temperature gauge needle con-
tinually points higher than normal (if equipped)
■ Audible symptoms
●Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
●Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, s pongy feeling, pedal almost
touches the floor

596 5-2. Steps to take in an emergency
*1: Vehicles without tachometer
*2: The light may come on when the oil level is extremely low. It is not designedto indicate low oil level, and the oil level must be checked using the engine
oil level dipstick.
Have the vehicle inspected immediately.
Failing to investigate the cause of the following warnings may lead to
the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.
Warning lightWarning light/Details
*1Low engine oil pressure warning light
Indicates that the engine oil pressure is too low*2.
Warning lightWarning light/Details
Malfunction indicator lamp Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic automatic transmission control sys-tem; or
• The emission control system.
SRS warning light Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system.
(U.S.A.)
(Canada) ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system.

598 5-2. Steps to take in an emergency
Tire pressure warning
light
• When the light comes on: Low tire inflation pres-
sure. Adjust the tire
inflation pressure.
• When the light comes on after blinking for 1
minute: Malfunction in
the tire pressure warning
system. Have the system
checked by your
Toyota dealer.
Low fuel level warning
light
Low level of fuel. Refuel the vehicle.
*4Low washer fluid warn-
ing light
Low level of washer fluid. Fill the tank.
*4
(U.S.A.)Engine oil replacement
reminder light
• Illuminates for about 3
seconds and then flashes
for about 12 seconds: Indi-
cates that the engine oil is
scheduled to be changed. Check the engine oil,
and change if neces-
sary.
• Comes on and remains: Indicates that the engine
oil should be changed. Check and change the
engine oil.
*5
Master warning light
A buzzer sounds and the
warning light comes on
and flashes to indicate
that the master warning
system has detected a
malfunction. P. 604
Warning lightWarning light/DetailsCorrection procedure

5
When trouble arises
601
5-2. Steps to take in an emergency
●If a radio set at similar frequencies is in use in the vehicle.
●If a window tint that affects the radio wave signals is installed.
●If there is a lot of snow or ice on
the vehicle, in particular around the
wheels or wheel housings.
●If non-genuine Toyota wheels are used. (Even if you use Toyota
wheels, the tire pressu re warning system may not work properly with
some types of tires.)
●If tire chains are used.
■If the tire pressure warning light comes on after blinking for 1
minute frequently
If the tire pressure warning light comes on after blinking for 1 minute fre-
quently when the engine switch is turned to the ON position, have it
checked by your Toyota dealer.
■ After changing the engine oil (U.S.A. only)
Make sure to reset the oil maintenance data. ( P. 532)
■ Customization that can be co nfigured at Toyota dealer
The vehicle speed linked front passenger’s seat belt reminder buzzer can be
disabled. (Customizable features P. 684)
CAUTION
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could
cause loss of vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire
inflation pressure immediately.
●If the tire pressure warning light comes on even after tire inflation pres-
sure adjustment, it is pr obable that you have a flat tire. Check the tires.
If the tire is flat, change to the spare tire and have the flat tire repaired
by the nearest Toyota dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning syste m may not activate immediately.

687
6-2. Customization
6
Vehicle specifications
Items to initialize
ItemWhen to initializeReference
Moon roof
• After reconnecting or changing the battery
• After changing a fuse
P. 104
Engine oil maintenance
dataAfter changing engine oilP. 532
Tire pressure warning sys-
tem
• When rotating the tires on vehi- cles differing with front and rear
tire inflation pressures.
• When changing the tire inflation pressure by changing traveling
speed or load weight, etc.
• When changing the tire size.
P. 542
The following items must be initia lized for normal system operation
in cases such as after the battery is reconnected, or maintenance is
performed on the vehicle.

716 Alphabetical index
Checking ............................... 542
Identification number ............. 674
If you have a flat tire .............. 608
Inflation pressure........... 549, 666
Information ............................ 673
Inflation pressure sensor ....... 543
Replacing .............................. 608
Rotating tires ......................... 542
Size ....................................... 666
Snow tires ............................. 260
Tire pressure warning reset switch ......................... 543
Tire pressure warning system ........................ 542, 598
Warning light ......................... 598
Tissue pocket ........................... 461
Tools ......................................... 608
Total load capacity................... 258
TOW/HAUL switch ................... 189
Towing Bumper towing ...................... 275
Dinghy towing........................ 285
Emergency towing................. 585
Fifth wheel trailer ................... 273
Trailer towing......................... 264
Traction control........................ 243
TRAC ......................................... 243
Trip information ....................... 204
Trip meter ................................. 198
Turn signal lights
Replacing light bulbs ..... 574, 577
Switch.................................... 191
Wattage ................................. 668
Valet key .....................................42
Vanity lights Vanity lights ........................... 475
Wattage ................................. 668
Vanity mirrors........................... 475
Vehicle identification number ................................... 653
Vehicle stability control........... 243
VSC............................................ 243 Warning buzzers
Brake system ........................ 595
Key reminder................... 50, 599
Open door ..................... 597, 599
Seat belt reminder......... 597, 599
Warning lights ABS ....................................... 596
Airbag system ....................... 596
Anti-lock brake system .......... 596
Automatic transmission fluid temperature................. 597
Brake assist system .............. 596
Brake system ........................ 595
Charging system .... ............... 595
Electronic engine control system ................................ 596
Engine oil pressure ............... 596
Four-wheel drive system
warning buzzer ................... 599
Driver’s seat belt ................... 597
Front passenger occupant
classification system ........... 596
Front passenger’s
seat belt .............................. 597
Low brake fluid ...................... 595
Low engine oil pressure ........ 596
Low fuel level ................ 598, 606
Low tire inflation pressure.............................. 598
Malfunction indicator lamp .... 596
Master warning light .............. 598
Open door ............................. 597
Power steering warning light ..................................... 597
Pretensioners ........................ 596
Seat belt reminder light ......... 597
SRS airbags .......................... 596
Tire pressure warning light.... 598
VSC/TRAC ............................ 597
Warning messages .................. 604
Washer Checking ............................... 540
V
W

721
What to do if...
■
Warning lights
P. 597
or(if equipped)
P. 595 P. 596
P. 595 P. 598
P. 596 P. 597
P. 598
or
P. 5 9 6P. 597
P. 5 9 8P. 598
P. 5 9 6P. 597
P. 5 9 7P. 597
*: Slip indicator comes on.P. 5 9 8
Brake system warning
lightPower steering warning
light
Low engine oil pressure
warning light
Charging system warning
lightMaster warning light
Malfunction indicator
lampSlip indicator*
ABS warning lightTire pressure warning
light
Open door warning light
Engine oil replacement
reminder lightLow fuel level warning
light
SRS warning lightDriver’s seat belt reminder
light
Front passenger’s seat belt
reminder light
Low washer fluid
warning light
Automatic transmission
fluid temperature
warning light
The warning message is displayedP. 604If a warning message is displayed