To move up a steep grade from a standing start, depress the brake pedal, shift the shift lever to D (Drive). Select the appropriate gear depending on load weight and steepness of the grade, and release the parking brake. Depress the accelerator gradually while releasing the service brakes.
When accelerating from a stop on a steep hill, the vehicle may have a tendency to roll backwards. Shifting the shift lever into 2 (Second Gear) will help prevent the vehicle from rolling backwards.
Good driving practicesKia Cee'd JD Service Manual: General market
MAINTENANCE UNDER SEVERE
USAGE CONDITIONS - EXCEPT EUROPE (INCLUDING RUSSIA)
The following items must be serviced more frequently on cars mainly used under
severe driving conditions.
Refer to the chart below for the appropriate maintenance intervals.
R : Replace
...
Kia Cee'd JD Service Manual: Variable Intake Solenoid (VIS) Valve Description and operation
Description
Variable Intake manifold Solenoid (VIS) valve is installed on the intake manifold.
The VIS valve controls the vacuum modulator which activates a valve in the intake
manifold. The ECM opens or closes this valve according to engine condition (Refer
to below table). ...