From 2000-2005 Optimas were a rebadged variant of the Hyundai Sonata, differing only from the Sonata in minor exterior styling details and equipment content.
Automatic turn off function
The interior lights automatically turn off approximately 20 minutes after the
ignition switch is turned off.
If your vehicle is equipped with the theft alarm system, the interior lights
automatic ...
Heater Unit. Repair procedures
Replacement
1.
Disconnect the negative (-) battery
terminal.
2.
Recover the refrigerant with
a recovery/ recycling/ charging station.
3.
When the e ...
Maintenance services
You should exercise the utmost care to
prevent damage to your vehicle and
injury to yourself whenever performing
any maintenance or inspection procedures.
Should you have any doubts concerning ...