Lexus RX450H Manual page 675

Ignition system
Spark plug
Make
Gap
NOTICE

Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
12-volt battery
Open voltage* at
20C (68F):
Charging rates
RX450h_EE
DENSO FK20HR11
1.1 mm (0.043 in.)
12.6 

12.8 V Fully charged
12.2 

12.4 V Half charged
11.8 

12.0 V Discharged
(*: Voltage checked 20 minutes after the hybrid
system and all the lights are turned off)
5 A max.
6-1. Specifications
6
631