Toyota 2009 Avalon Owner's Manual page 186

2-4. Using other driving systems
Automatic cruise control cancelation
n
The set speed is automatically canceled in any of the following situations.
Actual vehicle speed falls more than 10 mph (16 km/h) below the preset
l
vehicle speed
At this time, the memorized set speed is not retained.
Actual vehicle speed is below 25 mph (40 km/h)
l
VSC is activated
l
If the cruise control indicator light flashes
n
Turn the "ON-OFF" button off once, and then 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 malfunction in the cruise
control system. Have the vehicle inspected by your Toyota dealer.
CAUTION
To avoid operating the cruise control by mistake
n
Keep the "ON-OFF" button off when not in use.
Situations unsuitable for cruise control
n
Do not use cruise control in any of the following situations.
Doing so may result in control of the vehicle being lost and could cause seri-
ous or fatal accident.
In heavy traffic
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On roads with sharp bends
l
On slippery roads, such as those covered with rain, ice or snow
l
On steep hills
l
Vehicle speed may exceed the set speed when driving down a steep hill.
l On winding roads
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