Kia Optima: If the engine doesn't turn over or 
turns over slowly - If the engine will not start - What to do in an emergency - Kia Optima TF 2011-2026 Owners ManualKia 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 the engine will not start
...

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:

Connector Terminal Function
1. Connector terminal 2. Terminal Function Housing Pin Function Wire color ...

Starting the engine with a smart key
1. Carry the smart key or leave it inside the vehicle. 2. Make sure the parking brake is firmly applied 3. Automatic Transaxle - Place the transaxle shift lever in P (Park). Depress the brake pe ...

Vehicle Break-In Process
No special break-in period is needed. By following a few simple precautions for the first 600 miles (1 000 km) you may add to the performance, economy and life of your vehicle. Do not race the ...

Copyright www.kiopman.com 2026