What do the P button and HOLD button mean in the Corolla?

[DeAdelyn]

The P button in the Corolla is the electronic parking brake, and the HOLD button refers to the automatic parking function. HOLD button: The HOLD button in the Corolla refers to the automatic parking function. Usage scenarios include when starting the vehicle on snowy or icy roads in winter, where the torque output from the automatic transmission is too low, making it difficult for the vehicle to start or causing frequent wheel slippage. In this case, the gear needs to be fixed in 2nd or 3rd gear, which is achieved by using the HOLD button. Pressing this button in the corresponding gear prevents the transmission from shifting. When descending a mountain road, 3rd gear is used for engine braking, also achieved with the HOLD button. During overtaking, when the transmission is in the highest gear, pressing the HOLD button causes the transmission to downshift by one gear to provide greater torque output, which is one of the main uses of the HOLD button. P button: The P button in the Corolla is the electronic parking brake, used when parking the vehicle.