See also:

Parking brake
To set the parking brake, fully depress the parking brake pedal with your left foot while depressing the brake pedal with your right foot. (Depressing the pedal again releases the parking brake.) ...

Electrical system
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Replacement parts
To ensure optimum performance and maintain the quality built into your vehicle’s emission control systems, Lexus recommends the use of Genuine Lexus Parts when servicing or repairing the system ...