In certain situations or conditions, the engine may not auto-stop when the vehicle comes to a standstill, such as if:
| Condition/situation |
|---|
| The vehicle's speed has not reached a speed of approx. 6 mph (10 km/h) after the most recent auto-start or after the driver has started the engine. |
| The driver unbuckles his/her seat belt. |
| The main battery's charge is below the minimum level. |
| The engine has not reached its normal operating temperature. |
| The ambient temperature is below approx. 25°F (-4°C) or above approx. 85°F (30°C). |
| The windshield's heating function* is activated. |
| The climate system cannot keep the desired settings in the passenger compartment; the blower will operate at high speed. |
| The vehicle is backing up. |
| The main battery's temperature is below freezing or too high. |
| The driver is turning the steering wheel hard. |
| The road's incline is very steep. |
| A trailer's electrical system is connected to the vehicle. |
| The hood has been opened1. |
| The transmission has not reached its normal operating temperature. |
| Atmospheric pressure is below a level equivalent to an altitude of approx. 4,900–8,200 ft (1500–2500 m) above sea level. The actual pressure is also affected by current weather conditions. |
| The Adaptive Cruise Control's* Queue Assist feature is activated. |
| The gear selector is in the S2 or "+/–" position. |