Removal and Installation
1. Release the lock knob at the back of the Intelligent Key and remove the mechanical key.
2. Insert a suitable tool (A) wrapped with a cloth into the slit of the corner and twist it to separate the upper part from the lower part.
CAUTION:

3. Replace the battery with new one.
Battery replacement :Coin-type lithium battery (CR2025)

4. Align the tips of the upper and lower parts, and then push them together until it is securely closed.
CAUTION:
WITHOUT INTELLIGENT KEY SYSTEM
P073F Unable to engage 1GR
Description
This malfunction is detected when the A/T does not shift into 1GR position as
instructed by TCM. This is not
only caused by electrical malfunction (circuits open or shorted) but by
mechanical malfunction such as control
valve sticking, improper solenoid valve operation, etc.
DTC ...
Component parts
Component Parts Location
1 ABS actuator and electric unit (control
unit)
2 IPDM E/R 3 Brake fluid level switch
(view with IPDM E/R removed)
4 Front wheel sensor 5 Rear wheel sensor 6 VDC OFF switch
7 Steering angle sensor
(view with steering wheel and spiral
cable removed)
8 Stop lamp ...