See also:

Driving through deep water may damage the engine ortransmission.
If the front or rear axle is submerged in water, the axle lubricant and PTU (Power Transfer Unit) lubricant should be checked and changed if necessary. After driving through mud, clean off resi ...

Troubleshooting
...

Illuminated entry
The interior lamps, parking lamps and puddle lamps (if equipped) illuminate when the IA key or the keyless entry keypad is used to unlock the door(s). The illuminated entry system will turn off ...