Lexus GS 350 Owner's Manual page 190

188
4-2. Driving procedures
When there is a malfunction in the system
■
Warning lights and/or warning message will turn on or flash. (→P. 688, 701)
Depending on the condition, the parking brake indicator light may flash.
Usage in winter time
■
→P. 299
NOTICE
When parking the vehicle
■
Before you leave the vehicle, set the parking brake, shift the shift lever to P and
make sure that the vehicle does not move.
When the system malfunctions
■
Stop the vehicle in a safe place and check the warning messages.
When the parking brake cannot be released due to a malfunction
■
Use the parking brake release tool to manually release the parking brake.
(→P. 738)
Driving the vehicle with the parking brake set will lead to brake components over-
heating, which may affect braking performance and increase brake wear.