You should exercise the utmost care to prevent damage to your vehicle and injury to yourself whenever performing any maintenance or inspection procedures.
Inadequate, incomplete or insufficient servicing may result in operational problems with your vehicle that could lead to vehicle damage, an accident, or personal injury.
Kia Cee'd JD Owners Manual: Tire chains
Since the sidewalls of radial tires are
thinner, they can be damaged by mounting
some types of snow chains on them.
Therefore, the use of snow tires is recommended
instead of snow chains. Do
not mount tire chains on vehicles
equipped with aluminum wheels; snow
chains may cause damage ...
Kia Cee'd JD Service Manual: CVVT Oil Control Valve (OCV) Description and operation
Description
Continuous Variable Valve Timing (CVVT) system advances or retards the valve
timing of the intake and exhaust valve in accordance with the ECM control signal
which is calculated by the engine speed and load.
By controlling CVVT, the valve over-lap or under-lap ...