ACC not available

Several conditions exist which can cause ACC to deactivate or prevent ACC from activating when requested. These conditions include:
• The sensor is blocked, refer to Blocked sensor in this section.
• Brake temperature is high, refer to Hilly condition usage in this
section.
• A failure has occurred in the ACC system or related system.
See also:
How fail-safe cooling works
If the engine begins to overheat:
• The engine coolant temperature gauge will move to the H (hot) area.
• The symbol will illuminate.
If the engine reaches a preset over-temperature condition, the ...
Adding engine oil
1. Check the engine oil. For instructions, refer to Checking the engine
oil in this chapter.
2. If the engine oil level is not within the normal operating range, add
only certified engine oil of ...
Following a vehicle
WARNING: When following a vehicle in front of you, the vehicle
will not decelerate automatically to a stop, nor will the vehicle
always decelerate quickly enough to avoid a collision without drive ...
