Lexus ES 250 Owner's Manual page 259

258
4-5. Using the driving support systems
2
Pressing the +RES switch resumes
the constant speed control.
Resuming is available when the vehicle
speed is more than approximately 30
km/h (20 mph).
Cruise control can be set when
■
● The shift lever is in D or range 4 or higher
of S has been selected.
Range 4 or higher of D has been selected
●
by using the paddle shift.
Vehicle speed is at or above approxi-
●
mately 30 km/h (20 mph).
Accelerating after setting the vehicle
■
speed
The vehicle can be accelerated normally.
●
After acceleration, the set speed
resumes.
● Even without canceling the cruise con-
trol, the set speed can be increased by
first accelerating the vehicle to the
desired speed and then pressing the -SET
switch to set the new speed.
Automatic cruise control cancelation
■
Cruise control will stop maintaining the
vehicle speed in any of the following situa-
tions.
● Actual vehicle speed falls more than
approximately 16 km/h (10 mph) below
the preset vehicle speed.
● Actual vehicle speed is below approxi-
mately 30 km/h (20 mph).
● VSC is activated.
TRC is activated for a period of time.
●
● When the VSC or TRC system is turned
off.
If the warning message for the cruise
■
control is shown on the multi-informa-
tion display
Press the cruise control main switch once to
deactivate the system, and then press the
switch again to reactivate the system.
If the cruise control speed cannot be set or
if the cruise control cancels immediately
after being activated, there may be a mal-
function in the cruise control system. Have
the vehicle inspected by your Lexus dealer.
WARNING
To avoid operating the cruise control
■
by mistake
Switch the cruise control off using the
cruise control main switch when not in
use.
Situations unsuitable for cruise con-
■
trol
Do not use cruise control in any of the
following situations.
Doing so may result in loss of control and
could cause an accident resulting in
death or serious injury.
● In heavy traffic
● On roads with sharp bends
On winding roads
●
On slippery roads, such as those cov-
●
ered with rain, ice or snow
● On steep downhills
Vehicle speed may exceed the set
speed when driving down a steep hill.
● During emergency towing