2012 TOYOTA TUNDRA Owners Manual

177
2-1. Driving procedures
2
When driving
NOTICE
■
When encountering flooded roads
Do not drive on a road that has flooded after heavy rain etc. Doing so may
cause the following serious damage to the vehicle.
●Engine stalling
● Short in electrical components
● Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be
sure to have your Toyota dealer check the following.
● Brake function
● Changes in quantity and quality of oil and fluid used for the engine, trans-
mission, transfer (4WD models), differentials, etc.
● Lubricant condition for the propeller shaft, bearings and suspension joints
(where possible) and the function of all joints, bearings, etc.

178
2-1. Driving procedures
Engine (ignition) switch
■Engine switch
LOCK
The steering wheel is locked
and the key can be removed.
(The key can be removed only
when the shift lever is in P.)
ACC
Some electrical components
such as the audio system can
be used.
ON
All electrical components can
be used.
START
For starting the engine.
■Starting the engine
Check that the parking brake is set.
Check that the shift lever is set in P.
Sit in the driver’s seat and firmly depress the brake pedal.
Turn the engine switch to the START position and start the
engine.
The engine will crank until it starts or for up to 25 seconds, which-
ever is less. If you turn the engine switch, the engine will keep
cranking for about 30 seconds maximum.
Continue depressing the brake pedal until the engine is com-
pletely started.

179
2-1. Driving procedures
2
When driving
■
Turning the key from ACC to LOCK
■ Steering lock release
■ If the engine does not start (vehic les with engine immobilizer system)
The engine immobilizer system may not have been deactivated. ( P. 115)
■ Key reminder function
A buzzer sounds if the driver’s door is opened, while the engine switch is in
the ACC or LOCK position to remind you to remove the key.
CAUTION
■When starting the engine
Always start the engine while sitting in the driver’s seat. Do not depress the
accelerator while starting the engine under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
Shift the shift lever to P.
(P. 181)
Push in the key and turn to the
LOCK position.
When starting the engine, the engine
switch may seem stuck in the LOCK posi-
tion. To free it, turn the key while turning
the steering wheel slightly in either direc-
tion.

180 2-1. Driving procedures
NOTICE
■To prevent battery discharge
Do not leave the engine switch in the ACC or ON position for long periods if
the engine is not running.
■ When starting the engine
●Do not crank for more than 30 seconds at a time. This may overheat the
starter and wiring systems.
● Do not race a cold engine.
● If the engine becomes difficult to start or stalls frequently, have the engine
checked immediately.

181
2-1. Driving procedures
2
When driving
Automatic transmission
Select a shift position appropriate for the driving conditions.
■Shifting the shift lever
Floor shift type
While the engine switch is on, depress the brake pedal and
move the shift lever.
Column-shift type
While the engine switch is on, depress the brake pedal and
move the shift lever.

182 2-1. Driving procedures
Changing shift ranges in S modeShift the shift lever to the S position and operate the shift lever. Floor shift type Upshifting
Downshifting
■Shift position uses
*1: To improve fuel consumption and reduce noises, set the shift lever in
D for normal driving.
*2: Selecting shift ranges S mode restricts the upper limit of the possiblegear ranges, control engine braking forces, and prevents unneces-
sary upshifting.
Shift positionFunction
PParking the vehicle or starting the engine
RReversing
NNeutral
DNormal driving*1
SS mode driving*2

183
2-1. Driving procedures
2
When driving
Column-shift type
Upshifting
Downshifting
The initial shift range in S mode is automatically set to 5 or 4 (6-speed
models) or 4 (5-speed models) according to vehicle speed. However,
the initial shift range may be set to 3 or 2 (6-speed models) or 3 (5-
speed models) if the AI-SHIFT has operated while the shift lever was
in the D position. (
P. 185)
■ Shift ranges and their functions
A lower shift range will provide greater engine braking forces than a higher
shift range.
Shift rangeFunction
6-speed models5-speed models
6
Automatically selecting gears
between 1 and 6 according
to vehicle speed and driving
conditions.
—
5Automatically selecting gears between 1 and 5 according to
vehicle speed and driving conditions.
4Automatically selecting gears between 1 and 4 according to
vehicle speed and driving conditions.
3Automatically selecting gears between 1 and 3 according to
vehicle speed and driving conditions.
2Automatically selecting gears between 1 and 2 according to
vehicle speed and driving conditions.
1Setting the gear at 1.

184 2-1. Driving procedures
TOW/HAUL switch (6-speed models with towing package)Use TOW/HAUL mode when pulling a trailer or hauling a heavy load. Floor shift type Press the TOW/HAUL switch.
The indicator will come on.
Press the switch once more to
cancel the mode.
Column-shift type