Kia Optima: Cruise Control System / To decrease the cruising speed

Follow either of these procedures:
- Move the lever down (to SET-) and hold it. Your vehicle will gradually slow
down. Release the lever at the speed you want to maintain.
- Move the lever down (to SET-) and release it immediately. The cruising speed
will decrease by 2 km/h (1.0 mph) each time the lever is operated in this manner.
To temporarily accelerate with the cruise control on:
If you want to speed up temporarily when the cruise control is on, depress the
accelerator pedal. Increased speed will not interfere with the cruise control operation
or change the set speed.
To return to the set speed, take your foot off the accelerator.
Follow either of these procedures:
Move the lever up (to RES+) and hold it. Your vehicle set speed will increase
by 10 km/h (5 mph). Release the lever at the speed you want.
Move the lever ...
Depress the brake pedal.
Shift into N (Neutral) with an Automatic transmission.
Press the CANCEL switch.
Decrease the vehicle speed lower than the memory speed by 20 km/h (12 mph).
Decrea ...
Other information:
The SRS consists of the following components:
1. Driver's front air bag module
2. Passenger's front air bag module
3. Side air bag modules
4. Curtain air bag modules
5. Retractor pre-tensioner assemblies
6. Air bag warning light
7. SRS control module (SRSCM)/Rollover sensor
8. Front impact ...
The parking distance warningreverse may not operate properly when:
1. Moisture is frozen to the sensor. (It will operate normally once the moisture
clears.)
2. The sensor is covered with foreign matter, such as snow or water, or the sensor
cover is blocked. (It will operate normally when the m ...