Air conditioner compressor shut-off when engine is heavily loaded
To improve acceleration and gas mileage, the air conditioner compressor is designed to temporarily shut off during air conditioner operation whenever the accelerator is fully depressed such as during rapid acceleration or when driving on a steep upgrade.
See also:
Brake booster
The brake booster uses engine manifold
vacuum to assist braking force. Do not
turn off the engine while driving because
that will turn off the brake booster, resulting
in poor braking power.
...
MUTE button (if equipped)
Press this button if you wish to immediately cut the volume to zero.
The audio display will show “MUTE”. If you press the button again, the original
sound volume will return and “MUTE” turns off. ...
If no steam is coming from the engine compartment
NOTE
For details about how to check the coolant level or how to add coolant, refer
to “Engine coolant” F11-17.
1. Keep the engine running at idling speed.
2. Open the hood to ventilate the engine ...