Kia K900: Limitations of the system
The ASCC may have limits to its ability to detect distance to the vehicle ahead due to road and traffic conditions.
To convert to cruise control mode
On curvesScheduled maintenance service
Follow Normal Maintenance Schedule if the vehicle is usually operated where none
of the following conditions apply. If any of the following conditions apply, follow
Maintenance Under Severe Usage ...
Check spark plugs and ignition system
Inspect your spark plugs as described in section 7 and replace them if necessary.
Also check all ignition wiring and components to be sure they are not cracked, worn
or damaged in any way. ...
Transmitter precautions
The transmitter (or smart key) will not work if any of following occurs:
You exceed the operating distance limit (about 90 feet [30 m]).
The battery in the transmitter (or smart key) is weak.
...