Back onto
Definition 1 of 2
Pro Tip 1/3Spatial Awareness
Understanding the space needed to safely maneuver a vehicle in reverse. 
Make sure you back onto the parking spot without hitting the poles.
Pro Tip 2/3Procedure Caution
Reflects a careful process often accompanied by someone guiding from outside the vehicle. 
When you back onto the curb, have your friend guide you.
Pro Tip 3/3Visibility Importance
Emphasizes the need to check all mirrors for complete visibility before backing. 
Always back onto the street with your mirrors clear of obstructions.