Kia Optima: If the engine doesn't turn over or
turns over slowly
1. If your vehicle has an automatic transaxle, be sure the shift lever is in N (Neutral) or P (Park) and the emergency brake is set.
2. Check the battery connections to be sure they are clean and tight.
3. Turn on the interior light. If the light dims or goes out when you operate the starter, the battery is discharged.
4. Check the starter connections to be sure they are securely tightened.
5. Do not push or pull the vehicle to start it. See instructions for "Jump starting".
If engine turns over normally but
does not start
1. Check fuel level.
2. With the ignition switch in the LOCK
position, check all connectors at the
ignition coil and spark plugs.
Reconnect any that may be disconnected
or loose.
3. Check th ...
See also:
Components(1)
1. Rear bumper cover
...
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 sp ...
Change to "winter weight" oil if
necessary
In some climates it is recommended that
a lower viscosity "winter weight" oil be
used during cold weather. See section 8
for recommendations. If you aren't sure
what weight oil y ...