Tire traction can be reduced if you drive on worn tires, tires that are improperly inflated or on slippery road surfaces. Tires should be replaced when tread wear indicators appear. To reduce the possibility of losing control, slow down whenever there is rain, snow or ice on the road.
Kia Cee'd JD Service Manual: Rear Shock Absorber Repair procedures
Replacement
1.
Loosen the wheel nuts slightly.Raise the vehicle, and make sure it is
securely supported.
2.
Remove the rear wheel and tire (A) from rear hub.
Tightening torque:
88.2 ~ 107.8 ...
Kia Cee'd JD Service Manual: Input Speed Sensor 2 Specifications
Specification
Input Speed Sensor 2
▷ Type: Hall effect sensor
▷ Specifications
Item
Specifications
Output voltage (V)
Low
0.7
High
1.4
...