Toyota 2016 Camry Hybrid Owner's Manual page 537

WARNING
During customization
n
As the hybrid system needs to be operating during customization, ensure
that the vehicle is parked in a place with adequate ventilation. In a closed
area such as a garage, exhaust gases including harmful carbon monoxide
(CO) may collect and enter the vehicle. This may lead to death or a serious
health hazard.
NOTICE
During customization
n
To prevent 12-volt battery discharge, ensure that the hybrid system is oper-
ating while customizing features.
CAMRY_HV_U (OM33C35U)
9-2. Customization
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