2008 Infiniti G37 Owner's Manual - Page 276

PARKING BRAKE For quick acceleration in low altitude areas or in high altitude areas [over 4,000 ft (1,219 m)]: Gear change 1st to 2nd 2nd to 3rd 3rd to 4th 4th to 5th 5th to 6th MPH (km/h) 15 (24) 25 (40) 40 (64) 45 (72) 50 (80) Sedan Gear 1st 2nd 3rd 4th 5th 6th MPH (km/h) 39 (63) 64 (103) 92 (148 WARNING ● Be sure the parking brake is fully released before driving. Failure to do so can cause brake failure and lead to an accident. ● Do not release the parking brake from outside the vehicle. ● Do not use the gear shift in place of the parking brake. When parking, be sure the parking brake is fully engaged. ● Do not leave children unattended in a vehicle. They could release the parking brake and cause an accident. Suggested maximum speed in each gear Downshift to a lower gear if the engine is not running smoothly, or if you need to accelerate. Do not exceed the maximum suggested speed (shown below) in any gear. For level road driving, use the highest gear suggested for that speed. Always observe posted speed limits, and drive according to the road conditions, which will ensure safe operation. Do not over-rev the engine when shifting to a lower gear as it may cause engine damage or loss of vehicle control. Coupe Gear 1st 2nd 3rd 4th 5th 6th MPH (km/h) 39 (63) 65 (104) 93 (149 5-16 Starting and driving