Lexus LX 570 Owner's Manual page 515

514
6-2. Maintenance
A-3: Operating on road which has road salt applied.
 Lubrication of propeller shaft
<<See note 1.>>
 Tightening bolts for propeller shaft
A-4: Diesel engine only:
Operating frequently on 2000 m (6562 ft.) above sea.
 Replacement of engine oil
(diesel engine only)
LX570_450d_OM_OM60R63E_(GE)
Every 5000 km (3000 miles) or
3 months
Every 5000 km (3000 miles) or
3 months
Except for South Africa

Every 2500 km (1500 miles) or
3 months
For South Africa

Every 5000 km (3000 miles) or
6 months