If The Parking Brake Cannot Be Released - Lexus GS450h Owner's Manual

If the parking brake cannot be released

In the event that the 12-volt battery is discharged or switch operation does not
release the parking brake, the parking brake can be released manually using
the procedure below. This procedure should be performed only if necessary,
such as in an emergency.
If the switch cannot be operated even when the 12-volt battery is normal, the
parking brake system may be malfunctioning. Have the vehicle inspected by
any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer immediately.
Before releasing the parking brake manually
Shift the shift lever to P.
●
Turn the power switch off.
●
Check that the parking brake indicator is off.
●
Chock the tires.
●
Releasing the parking brake manually
Take out the parking brake release
1
tool and the screwdriver from the
trunk. (P. 499, 511)
Fit the parking brake release tool into
the screwdriver handle.
Vehicles with spare tire: Take out the spare tire. (P. 501)
2
Vehicles without spare tire: Remove the center auxiliary box. (P. 513)
GS450h_300h_OM_OM30F92E_(EE)
7-2. Steps to take in an emergency
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7