2010 Lexus RX 450h User Guide 2 - Page 166

2-1. Driving procedures When stopping the hybrid system with the shift lever in a position other than P If the hybrid system is stopped with the shift lever in a position other than P, the "POWER" switch will not be turned off but instead be turned to ACCESSORY mode. Perform the following procedure to turn the switch off: STEP 1 STEP 2 STEP 3 STEP 4 Check that the parking brake is set. Shift the shift lever to P. Check that the indicator on the "POWER" switch is illuminated in amber and then press the "POWER" switch once. Check that the indicator on the "POWER" switch is off. n Auto power off function If the vehicle is left in ACCESSORY or ON mode (the hybrid system is not operating) for more than an hour with the shift lever in P, the "POWER" switch will automatically turn off. However, this function cannot entirely prevent 12-volt battery discharge. Do not leave the vehicle with the "POWER" switch in ACCESSORY or ON mode for long periods of time when the hybrid system is not operating. n Operation of the "POWER" switch When operating the "POWER" switch, one short, firm press is enough. If the switch is pressed improperly, the hybrid system may not start or the "POWER" switch mode may not change. It is not necessary to press and hold the switch. n Sounds and vibrations specific to a hybrid vehicle →P. 28 n Electronic key battery depletion →P. 54 n When the ambient temperature is low, such as during winter driving conditions It may take time until the "READY" indicator comes on. n Conditions affecting operation →P. 51 n Note for the entry function →P. 52 n If the hybrid system does not start The immobilizer system may not have been deactivated. (→P. 115) 168